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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-
<a name="line-3"></a>Copyright (C) 2006-2010 John MacFarlane <jgm@berkeley.edu>
<a name="line-4"></a>
<a name="line-5"></a>This program is free software; you can redistribute it and/or modify
<a name="line-6"></a>it under the terms of the GNU General Public License as published by
<a name="line-7"></a>the Free Software Foundation; either version 2 of the License, or
<a name="line-8"></a>(at your option) any later version.
<a name="line-9"></a>
<a name="line-10"></a>This program is distributed in the hope that it will be useful,
<a name="line-11"></a>but WITHOUT ANY WARRANTY; without even the implied warranty of
<a name="line-12"></a>MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<a name="line-13"></a>GNU General Public License for more details.
<a name="line-14"></a>
<a name="line-15"></a>You should have received a copy of the GNU General Public License
<a name="line-16"></a>along with this program; if not, write to the Free Software
<a name="line-17"></a>Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
<a name="line-18"></a>-}</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-comment'>{- |
<a name="line-21"></a> Module : Text.Pandoc.Shared
<a name="line-22"></a> Copyright : Copyright (C) 2006-2010 John MacFarlane
<a name="line-23"></a> License : GNU GPL, version 2 or above
<a name="line-24"></a>
<a name="line-25"></a> Maintainer : John MacFarlane <jgm@berkeley.edu>
<a name="line-26"></a> Stability : alpha
<a name="line-27"></a> Portability : portable
<a name="line-28"></a>
<a name="line-29"></a>Utility functions and definitions used by the various Pandoc modules.
<a name="line-30"></a>-}</span>
<a name="line-31"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>Shared</span> <span class='hs-layout'>(</span>
<a name="line-32"></a> <span class='hs-comment'>-- * List processing</span>
<a name="line-33"></a> <span class='hs-varid'>splitBy</span><span class='hs-layout'>,</span>
<a name="line-34"></a> <span class='hs-varid'>splitByIndices</span><span class='hs-layout'>,</span>
<a name="line-35"></a> <span class='hs-varid'>substitute</span><span class='hs-layout'>,</span>
<a name="line-36"></a> <span class='hs-comment'>-- * Text processing</span>
<a name="line-37"></a> <span class='hs-varid'>backslashEscapes</span><span class='hs-layout'>,</span>
<a name="line-38"></a> <span class='hs-varid'>escapeStringUsing</span><span class='hs-layout'>,</span>
<a name="line-39"></a> <span class='hs-varid'>stripTrailingNewlines</span><span class='hs-layout'>,</span>
<a name="line-40"></a> <span class='hs-varid'>removeLeadingTrailingSpace</span><span class='hs-layout'>,</span>
<a name="line-41"></a> <span class='hs-varid'>removeLeadingSpace</span><span class='hs-layout'>,</span>
<a name="line-42"></a> <span class='hs-varid'>removeTrailingSpace</span><span class='hs-layout'>,</span>
<a name="line-43"></a> <span class='hs-varid'>stripFirstAndLast</span><span class='hs-layout'>,</span>
<a name="line-44"></a> <span class='hs-varid'>camelCaseToHyphenated</span><span class='hs-layout'>,</span>
<a name="line-45"></a> <span class='hs-varid'>toRomanNumeral</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-varid'>escapeURI</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-varid'>unescapeURI</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-varid'>tabFilter</span><span class='hs-layout'>,</span>
<a name="line-49"></a> <span class='hs-comment'>-- * Pandoc block and inline list processing</span>
<a name="line-50"></a> <span class='hs-varid'>orderedListMarkers</span><span class='hs-layout'>,</span>
<a name="line-51"></a> <span class='hs-varid'>normalizeSpaces</span><span class='hs-layout'>,</span>
<a name="line-52"></a> <span class='hs-varid'>normalize</span><span class='hs-layout'>,</span>
<a name="line-53"></a> <span class='hs-varid'>stringify</span><span class='hs-layout'>,</span>
<a name="line-54"></a> <span class='hs-varid'>compactify</span><span class='hs-layout'>,</span>
<a name="line-55"></a> <span class='hs-conid'>Element</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-56"></a> <span class='hs-varid'>hierarchicalize</span><span class='hs-layout'>,</span>
<a name="line-57"></a> <span class='hs-varid'>uniqueIdent</span><span class='hs-layout'>,</span>
<a name="line-58"></a> <span class='hs-varid'>isHeaderBlock</span><span class='hs-layout'>,</span>
<a name="line-59"></a> <span class='hs-varid'>headerShift</span><span class='hs-layout'>,</span>
<a name="line-60"></a> <span class='hs-comment'>-- * Writer options</span>
<a name="line-61"></a> <span class='hs-conid'>HTMLMathMethod</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-62"></a> <span class='hs-conid'>CiteMethod</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-63"></a> <span class='hs-conid'>ObfuscationMethod</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-conid'>HTMLSlideVariant</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-65"></a> <span class='hs-conid'>WriterOptions</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-66"></a> <span class='hs-varid'>defaultWriterOptions</span><span class='hs-layout'>,</span>
<a name="line-67"></a> <span class='hs-comment'>-- * File handling</span>
<a name="line-68"></a> <span class='hs-varid'>inDirectory</span><span class='hs-layout'>,</span>
<a name="line-69"></a> <span class='hs-varid'>findDataFile</span><span class='hs-layout'>,</span>
<a name="line-70"></a> <span class='hs-varid'>readDataFile</span>
<a name="line-71"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-72"></a>
<a name="line-73"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>Definition</span>
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>Generic</span>
<a name="line-75"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>UTF8</span> <span class='hs-layout'>(</span><span class='hs-varid'>readFile</span><span class='hs-layout'>)</span>
<a name="line-76"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-layout'>(</span> <span class='hs-varid'>toLower</span><span class='hs-layout'>,</span> <span class='hs-varid'>isLower</span><span class='hs-layout'>,</span> <span class='hs-varid'>isUpper</span><span class='hs-layout'>,</span> <span class='hs-varid'>isAlpha</span><span class='hs-layout'>,</span> <span class='hs-varid'>isAscii</span><span class='hs-layout'>,</span>
<a name="line-77"></a> <span class='hs-varid'>isLetter</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDigit</span> <span class='hs-layout'>)</span>
<a name="line-78"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>find</span><span class='hs-layout'>,</span> <span class='hs-varid'>isPrefixOf</span><span class='hs-layout'>,</span> <span class='hs-varid'>intercalate</span> <span class='hs-layout'>)</span>
<a name="line-79"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>URI</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isAllowedInURI</span><span class='hs-layout'>,</span> <span class='hs-varid'>escapeURIString</span><span class='hs-layout'>,</span> <span class='hs-varid'>unEscapeString</span> <span class='hs-layout'>)</span>
<a name="line-80"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Codec</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span> <span class='hs-layout'>(</span> <span class='hs-varid'>encodeString</span><span class='hs-layout'>,</span> <span class='hs-varid'>decodeString</span> <span class='hs-layout'>)</span>
<a name="line-81"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span>
<a name="line-82"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'></></span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-83"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Generics</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-layout'>)</span>
<a name="line-84"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>State</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>S</span>
<a name="line-85"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Paths_pandoc</span> <span class='hs-layout'>(</span><span class='hs-varid'>getDataFileName</span><span class='hs-layout'>)</span>
<a name="line-86"></a>
<a name="line-87"></a><span class='hs-comment'>--</span>
<a name="line-88"></a><span class='hs-comment'>-- List processing</span>
<a name="line-89"></a><span class='hs-comment'>--</span>
<a name="line-90"></a>
<a name="line-91"></a><a name="splitBy"></a><span class='hs-comment'>-- | Split list by groups of one or more sep.</span>
<a name="line-92"></a><span class='hs-definition'>splitBy</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-93"></a><span class='hs-definition'>splitBy</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-94"></a><span class='hs-definition'>splitBy</span> <span class='hs-varid'>isSep</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>=</span>
<a name="line-95"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-varid'>isSep</span> <span class='hs-varid'>lst</span>
<a name="line-96"></a> <span class='hs-varid'>rest'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSep</span> <span class='hs-varid'>rest</span>
<a name="line-97"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>splitBy</span> <span class='hs-varid'>isSep</span> <span class='hs-varid'>rest'</span><span class='hs-layout'>)</span>
<a name="line-98"></a>
<a name="line-99"></a><a name="splitByIndices"></a><span class='hs-comment'>-- | Split list into chunks divided at specified indices.</span>
<a name="line-100"></a><span class='hs-definition'>splitByIndices</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-101"></a><span class='hs-definition'>splitByIndices</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>lst</span><span class='hs-keyglyph'>]</span>
<a name="line-102"></a><span class='hs-definition'>splitByIndices</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>=</span>
<a name="line-103"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>splitAt</span> <span class='hs-varid'>x</span> <span class='hs-varid'>lst</span> <span class='hs-keyword'>in</span>
<a name="line-104"></a> <span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>splitByIndices</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>y</span> <span class='hs-comment'>-</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-105"></a>
<a name="line-106"></a><a name="substitute"></a><span class='hs-comment'>-- | Replace each occurrence of one sublist in a list with another.</span>
<a name="line-107"></a><span class='hs-definition'>substitute</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-108"></a><span class='hs-definition'>substitute</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-109"></a><span class='hs-definition'>substitute</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>xs</span>
<a name="line-110"></a><span class='hs-definition'>substitute</span> <span class='hs-varid'>target</span> <span class='hs-varid'>replacement</span> <span class='hs-varid'>lst</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-111"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>target</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>lst</span>
<a name="line-112"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>replacement</span> <span class='hs-varop'>++</span> <span class='hs-varid'>substitute</span> <span class='hs-varid'>target</span> <span class='hs-varid'>replacement</span> <span class='hs-layout'>(</span><span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>target</span><span class='hs-layout'>)</span> <span class='hs-varid'>lst</span><span class='hs-layout'>)</span>
<a name="line-113"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>substitute</span> <span class='hs-varid'>target</span> <span class='hs-varid'>replacement</span> <span class='hs-varid'>xs</span>
<a name="line-114"></a>
<a name="line-115"></a><span class='hs-comment'>--</span>
<a name="line-116"></a><span class='hs-comment'>-- Text processing</span>
<a name="line-117"></a><span class='hs-comment'>--</span>
<a name="line-118"></a>
<a name="line-119"></a><a name="backslashEscapes"></a><span class='hs-comment'>-- | Returns an association list of backslash escapes for the</span>
<a name="line-120"></a><span class='hs-comment'>-- designated characters.</span>
<a name="line-121"></a><span class='hs-definition'>backslashEscapes</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ list of special characters to escape</span>
<a name="line-122"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Char</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-123"></a><span class='hs-definition'>backslashEscapes</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>ch</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>ch</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'\\'</span><span class='hs-layout'>,</span><span class='hs-varid'>ch</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-124"></a>
<a name="line-125"></a><a name="escapeStringUsing"></a><span class='hs-comment'>-- | Escape a string of characters, using an association list of</span>
<a name="line-126"></a><span class='hs-comment'>-- characters and strings.</span>
<a name="line-127"></a><span class='hs-definition'>escapeStringUsing</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Char</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-128"></a><span class='hs-definition'>escapeStringUsing</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-129"></a><span class='hs-definition'>escapeStringUsing</span> <span class='hs-varid'>escapeTable</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-130"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>x</span> <span class='hs-varid'>escapeTable</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-131"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-varid'>rest</span>
<a name="line-132"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span>
<a name="line-133"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeStringUsing</span> <span class='hs-varid'>escapeTable</span> <span class='hs-varid'>xs</span>
<a name="line-134"></a>
<a name="line-135"></a><a name="stripTrailingNewlines"></a><span class='hs-comment'>-- | Strip trailing newlines from string.</span>
<a name="line-136"></a><span class='hs-definition'>stripTrailingNewlines</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-137"></a><span class='hs-definition'>stripTrailingNewlines</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-chr'>'\n'</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-138"></a>
<a name="line-139"></a><a name="removeLeadingTrailingSpace"></a><span class='hs-comment'>-- | Remove leading and trailing space (including newlines) from string.</span>
<a name="line-140"></a><span class='hs-definition'>removeLeadingTrailingSpace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-141"></a><span class='hs-definition'>removeLeadingTrailingSpace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeLeadingSpace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>removeTrailingSpace</span>
<a name="line-142"></a>
<a name="line-143"></a><a name="removeLeadingSpace"></a><span class='hs-comment'>-- | Remove leading space (including newlines) from string.</span>
<a name="line-144"></a><span class='hs-definition'>removeLeadingSpace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-145"></a><span class='hs-definition'>removeLeadingSpace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>`elem`</span> <span class='hs-str'>" \n\t"</span><span class='hs-layout'>)</span>
<a name="line-146"></a>
<a name="line-147"></a><a name="removeTrailingSpace"></a><span class='hs-comment'>-- | Remove trailing space (including newlines) from string.</span>
<a name="line-148"></a><span class='hs-definition'>removeTrailingSpace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-149"></a><span class='hs-definition'>removeTrailingSpace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>removeLeadingSpace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-150"></a>
<a name="line-151"></a><a name="stripFirstAndLast"></a><span class='hs-comment'>-- | Strip leading and trailing characters from string</span>
<a name="line-152"></a><span class='hs-definition'>stripFirstAndLast</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-153"></a><span class='hs-definition'>stripFirstAndLast</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span>
<a name="line-154"></a> <span class='hs-varid'>drop</span> <span class='hs-num'>1</span> <span class='hs-varop'>$</span> <span class='hs-varid'>take</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>str</span>
<a name="line-155"></a>
<a name="line-156"></a><a name="camelCaseToHyphenated"></a><span class='hs-comment'>-- | Change CamelCase word to hyphenated lowercase (e.g., camel-case). </span>
<a name="line-157"></a><span class='hs-definition'>camelCaseToHyphenated</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-158"></a><span class='hs-definition'>camelCaseToHyphenated</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-159"></a><span class='hs-definition'>camelCaseToHyphenated</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>b</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isLower</span> <span class='hs-varid'>a</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>isUpper</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span>
<a name="line-160"></a> <span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>toLower</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>camelCaseToHyphenated</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-161"></a><span class='hs-definition'>camelCaseToHyphenated</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>toLower</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>camelCaseToHyphenated</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-162"></a>
<a name="line-163"></a><a name="toRomanNumeral"></a><span class='hs-comment'>-- | Convert number < 4000 to uppercase roman numeral.</span>
<a name="line-164"></a><span class='hs-definition'>toRomanNumeral</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-165"></a><span class='hs-definition'>toRomanNumeral</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span>
<a name="line-166"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>4000</span> <span class='hs-varop'>||</span> <span class='hs-varid'>x</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span>
<a name="line-167"></a> <span class='hs-keyword'>then</span> <span class='hs-str'>"?"</span>
<a name="line-168"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-169"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>1000</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"M"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>1000</span><span class='hs-layout'>)</span>
<a name="line-170"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>900</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"CM"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>900</span><span class='hs-layout'>)</span>
<a name="line-171"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>500</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"D"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>500</span><span class='hs-layout'>)</span>
<a name="line-172"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>400</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"CD"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>400</span><span class='hs-layout'>)</span>
<a name="line-173"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>100</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"C"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>100</span><span class='hs-layout'>)</span>
<a name="line-174"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>90</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"XC"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>90</span><span class='hs-layout'>)</span>
<a name="line-175"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>50</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"L"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>50</span><span class='hs-layout'>)</span>
<a name="line-176"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>40</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"XL"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>40</span><span class='hs-layout'>)</span>
<a name="line-177"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>10</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"X"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>10</span><span class='hs-layout'>)</span>
<a name="line-178"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>9</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"IX"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>5</span><span class='hs-layout'>)</span>
<a name="line-179"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>5</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"V"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>5</span><span class='hs-layout'>)</span>
<a name="line-180"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>4</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"IV"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>4</span><span class='hs-layout'>)</span>
<a name="line-181"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"I"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-182"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-183"></a>
<a name="line-184"></a><a name="escapeURI"></a><span class='hs-comment'>-- | Escape unicode characters in a URI. Characters that are</span>
<a name="line-185"></a><span class='hs-comment'>-- already valid in a URI, including % and ?, are left alone.</span>
<a name="line-186"></a><span class='hs-definition'>escapeURI</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-187"></a><span class='hs-definition'>escapeURI</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeURIString</span> <span class='hs-varid'>isAllowedInURI</span> <span class='hs-varop'>.</span> <span class='hs-varid'>encodeString</span>
<a name="line-188"></a>
<a name="line-189"></a><a name="unescapeURI"></a><span class='hs-comment'>-- | Unescape unicode and some special characters in a URI, but</span>
<a name="line-190"></a><span class='hs-comment'>-- without introducing spaces.</span>
<a name="line-191"></a><span class='hs-definition'>unescapeURI</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-192"></a><span class='hs-definition'>unescapeURI</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeURIString</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>isAllowedInURI</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>isAscii</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-193"></a> <span class='hs-varid'>decodeString</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unEscapeString</span>
<a name="line-194"></a>
<a name="line-195"></a><a name="tabFilter"></a><span class='hs-comment'>-- | Convert tabs to spaces and filter out DOS line endings.</span>
<a name="line-196"></a><span class='hs-comment'>-- Tabs will be preserved if tab stop is set to 0.</span>
<a name="line-197"></a><span class='hs-definition'>tabFilter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Tab stop</span>
<a name="line-198"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Input</span>
<a name="line-199"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-200"></a><span class='hs-definition'>tabFilter</span> <span class='hs-varid'>tabStop</span> <span class='hs-keyglyph'>=</span>
<a name="line-201"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-202"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\n'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-203"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\r'</span><span class='hs-conop'>:</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\n'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-204"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\r'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\n'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-205"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>spsToNextStop</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\t'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-206"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>tabStop</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span>
<a name="line-207"></a> <span class='hs-keyword'>then</span> <span class='hs-chr'>'\t'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-208"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>replicate</span> <span class='hs-varid'>spsToNextStop</span> <span class='hs-chr'>' '</span> <span class='hs-varop'>++</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-209"></a> <span class='hs-varid'>go</span> <span class='hs-num'>1</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-210"></a> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-211"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>spsToNextStop</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-212"></a> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>spsToNextStop</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-213"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span>
<a name="line-214"></a>
<a name="line-215"></a><span class='hs-comment'>--</span>
<a name="line-216"></a><span class='hs-comment'>-- Pandoc block and inline list processing</span>
<a name="line-217"></a><span class='hs-comment'>--</span>
<a name="line-218"></a>
<a name="line-219"></a><a name="orderedListMarkers"></a><span class='hs-comment'>-- | Generate infinite lazy list of markers for an ordered list,</span>
<a name="line-220"></a><span class='hs-comment'>-- depending on list attributes.</span>
<a name="line-221"></a><span class='hs-definition'>orderedListMarkers</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>ListNumberDelim</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-222"></a><span class='hs-definition'>orderedListMarkers</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span><span class='hs-layout'>,</span> <span class='hs-varid'>numstyle</span><span class='hs-layout'>,</span> <span class='hs-varid'>numdelim</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-223"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>singleton</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span>
<a name="line-224"></a> <span class='hs-varid'>nums</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>numstyle</span> <span class='hs-keyword'>of</span>
<a name="line-225"></a> <span class='hs-conid'>DefaultStyle</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-varid'>show</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-226"></a> <span class='hs-conid'>Example</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-varid'>show</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-227"></a> <span class='hs-conid'>Decimal</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-varid'>show</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-228"></a> <span class='hs-conid'>UpperAlpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>cycle</span> <span class='hs-varop'>$</span>
<a name="line-229"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>singleton</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'A'</span><span class='hs-keyglyph'>..</span><span class='hs-chr'>'Z'</span><span class='hs-keyglyph'>]</span>
<a name="line-230"></a> <span class='hs-conid'>LowerAlpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>cycle</span> <span class='hs-varop'>$</span>
<a name="line-231"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>singleton</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'a'</span><span class='hs-keyglyph'>..</span><span class='hs-chr'>'z'</span><span class='hs-keyglyph'>]</span>
<a name="line-232"></a> <span class='hs-conid'>UpperRoman</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-233"></a> <span class='hs-conid'>LowerRoman</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varop'>.</span> <span class='hs-varid'>toRomanNumeral</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-234"></a> <span class='hs-varid'>inDelim</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>numdelim</span> <span class='hs-keyword'>of</span>
<a name="line-235"></a> <span class='hs-conid'>DefaultDelim</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-str'>"."</span>
<a name="line-236"></a> <span class='hs-conid'>Period</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-str'>"."</span>
<a name="line-237"></a> <span class='hs-conid'>OneParen</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-str'>")"</span>
<a name="line-238"></a> <span class='hs-conid'>TwoParens</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"("</span> <span class='hs-varop'>++</span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-str'>")"</span>
<a name="line-239"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>map</span> <span class='hs-varid'>inDelim</span> <span class='hs-varid'>nums</span>
<a name="line-240"></a>
<a name="line-241"></a><a name="normalizeSpaces"></a><span class='hs-comment'>-- | Normalize a list of inline elements: remove leading and trailing</span>
<a name="line-242"></a><span class='hs-comment'>-- @Space@ elements, collapse double @Space@s into singles, and</span>
<a name="line-243"></a><span class='hs-comment'>-- remove empty Str elements.</span>
<a name="line-244"></a><span class='hs-definition'>normalizeSpaces</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-245"></a><span class='hs-definition'>normalizeSpaces</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cleanup</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpaceOrEmpty</span>
<a name="line-246"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>cleanup</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-247"></a> <span class='hs-varid'>cleanup</span> <span class='hs-layout'>(</span><span class='hs-conid'>Space</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>rest'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpaceOrEmpty</span> <span class='hs-varid'>rest</span>
<a name="line-248"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>rest'</span> <span class='hs-keyword'>of</span>
<a name="line-249"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-250"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Space</span> <span class='hs-conop'>:</span> <span class='hs-varid'>cleanup</span> <span class='hs-varid'>rest'</span>
<a name="line-251"></a> <span class='hs-varid'>cleanup</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cleanup</span> <span class='hs-varid'>rest</span>
<a name="line-252"></a> <span class='hs-varid'>cleanup</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>cleanup</span> <span class='hs-varid'>rest</span>
<a name="line-253"></a>
<a name="line-254"></a><a name="isSpaceOrEmpty"></a><span class='hs-definition'>isSpaceOrEmpty</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Inline</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-255"></a><span class='hs-definition'>isSpaceOrEmpty</span> <span class='hs-conid'>Space</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-256"></a><span class='hs-definition'>isSpaceOrEmpty</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-257"></a><span class='hs-definition'>isSpaceOrEmpty</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-258"></a>
<a name="line-259"></a><a name="normalize"></a><span class='hs-comment'>-- | Normalize @Pandoc@ document, consolidating doubled 'Space's,</span>
<a name="line-260"></a><span class='hs-comment'>-- combining adjacent 'Str's and 'Emph's, remove 'Null's and</span>
<a name="line-261"></a><span class='hs-comment'>-- empty elements, etc.</span>
<a name="line-262"></a><span class='hs-definition'>normalize</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Data</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-263"></a><span class='hs-definition'>normalize</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>topDown</span> <span class='hs-varid'>removeEmptyBlocks</span> <span class='hs-varop'>.</span>
<a name="line-264"></a> <span class='hs-varid'>topDown</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>.</span>
<a name="line-265"></a> <span class='hs-varid'>bottomUp</span> <span class='hs-layout'>(</span><span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varop'>.</span> <span class='hs-varid'>removeTrailingInlineSpaces</span><span class='hs-layout'>)</span>
<a name="line-266"></a>
<a name="line-267"></a><a name="removeEmptyBlocks"></a><span class='hs-definition'>removeEmptyBlocks</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span>
<a name="line-268"></a><span class='hs-definition'>removeEmptyBlocks</span> <span class='hs-layout'>(</span><span class='hs-conid'>Null</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyBlocks</span> <span class='hs-varid'>xs</span>
<a name="line-269"></a><span class='hs-definition'>removeEmptyBlocks</span> <span class='hs-layout'>(</span><span class='hs-conid'>BulletList</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyBlocks</span> <span class='hs-varid'>xs</span>
<a name="line-270"></a><span class='hs-definition'>removeEmptyBlocks</span> <span class='hs-layout'>(</span><span class='hs-conid'>OrderedList</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyBlocks</span> <span class='hs-varid'>xs</span>
<a name="line-271"></a><span class='hs-definition'>removeEmptyBlocks</span> <span class='hs-layout'>(</span><span class='hs-conid'>DefinitionList</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyBlocks</span> <span class='hs-varid'>xs</span>
<a name="line-272"></a><span class='hs-definition'>removeEmptyBlocks</span> <span class='hs-layout'>(</span><span class='hs-conid'>RawBlock</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyBlocks</span> <span class='hs-varid'>xs</span>
<a name="line-273"></a><span class='hs-definition'>removeEmptyBlocks</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>removeEmptyBlocks</span> <span class='hs-varid'>xs</span>
<a name="line-274"></a><span class='hs-definition'>removeEmptyBlocks</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-275"></a>
<a name="line-276"></a><a name="removeEmptyInlines"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-277"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Emph</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-278"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Strong</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-279"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Subscript</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-280"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Superscript</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-281"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>SmallCaps</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-282"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Strikeout</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-283"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>RawInline</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-284"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Code</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-285"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-str'>""</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>zs</span>
<a name="line-286"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>removeEmptyInlines</span> <span class='hs-varid'>xs</span>
<a name="line-287"></a><span class='hs-definition'>removeEmptyInlines</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-288"></a>
<a name="line-289"></a><a name="removeTrailingInlineSpaces"></a><span class='hs-definition'>removeTrailingInlineSpaces</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-290"></a><span class='hs-definition'>removeTrailingInlineSpaces</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>removeLeadingInlineSpaces</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-291"></a>
<a name="line-292"></a><a name="removeLeadingInlineSpaces"></a><span class='hs-definition'>removeLeadingInlineSpaces</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-293"></a><span class='hs-definition'>removeLeadingInlineSpaces</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpaceOrEmpty</span>
<a name="line-294"></a>
<a name="line-295"></a><a name="consolidateInlines"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-296"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-297"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>concat</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>map</span> <span class='hs-varid'>fromStr</span> <span class='hs-varid'>strs</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-298"></a> <span class='hs-str'>""</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varid'>rest</span>
<a name="line-299"></a> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Str</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varid'>rest</span>
<a name="line-300"></a> <span class='hs-keyword'>where</span>
<a name="line-301"></a> <span class='hs-layout'>(</span><span class='hs-varid'>strs</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>span</span> <span class='hs-varid'>isStr</span> <span class='hs-varid'>ys</span>
<a name="line-302"></a> <span class='hs-varid'>isStr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-303"></a> <span class='hs-varid'>isStr</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-304"></a> <span class='hs-varid'>fromStr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-varid'>z</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>z</span>
<a name="line-305"></a> <span class='hs-varid'>fromStr</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"consolidateInlines - fromStr - not a Str"</span>
<a name="line-306"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Space</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Space</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest</span>
<a name="line-307"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>isSpace</span> <span class='hs-conid'>Space</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-308"></a> <span class='hs-varid'>isSpace</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-309"></a> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>ys</span>
<a name="line-310"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Emph</span> <span class='hs-varid'>xs</span> <span class='hs-conop'>:</span> <span class='hs-conid'>Emph</span> <span class='hs-varid'>ys</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span>
<a name="line-311"></a> <span class='hs-conid'>Emph</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span>
<a name="line-312"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Strong</span> <span class='hs-varid'>xs</span> <span class='hs-conop'>:</span> <span class='hs-conid'>Strong</span> <span class='hs-varid'>ys</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span>
<a name="line-313"></a> <span class='hs-conid'>Strong</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span>
<a name="line-314"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Subscript</span> <span class='hs-varid'>xs</span> <span class='hs-conop'>:</span> <span class='hs-conid'>Subscript</span> <span class='hs-varid'>ys</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span>
<a name="line-315"></a> <span class='hs-conid'>Subscript</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span>
<a name="line-316"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Superscript</span> <span class='hs-varid'>xs</span> <span class='hs-conop'>:</span> <span class='hs-conid'>Superscript</span> <span class='hs-varid'>ys</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span>
<a name="line-317"></a> <span class='hs-conid'>Superscript</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span>
<a name="line-318"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>SmallCaps</span> <span class='hs-varid'>xs</span> <span class='hs-conop'>:</span> <span class='hs-conid'>SmallCaps</span> <span class='hs-varid'>ys</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span>
<a name="line-319"></a> <span class='hs-conid'>SmallCaps</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span>
<a name="line-320"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Strikeout</span> <span class='hs-varid'>xs</span> <span class='hs-conop'>:</span> <span class='hs-conid'>Strikeout</span> <span class='hs-varid'>ys</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span>
<a name="line-321"></a> <span class='hs-conid'>Strikeout</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span>
<a name="line-322"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>RawInline</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-conid'>RawInline</span> <span class='hs-varid'>f'</span> <span class='hs-varid'>y</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>f</span> <span class='hs-varop'>==</span> <span class='hs-varid'>f'</span> <span class='hs-keyglyph'>=</span>
<a name="line-323"></a> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RawInline</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span>
<a name="line-324"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-conid'>Code</span> <span class='hs-varid'>a1</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-conid'>Code</span> <span class='hs-varid'>a2</span> <span class='hs-varid'>y</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>a1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>a2</span> <span class='hs-keyglyph'>=</span>
<a name="line-325"></a> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Code</span> <span class='hs-varid'>a1</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>zs</span>
<a name="line-326"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>consolidateInlines</span> <span class='hs-varid'>xs</span>
<a name="line-327"></a><span class='hs-definition'>consolidateInlines</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-328"></a>
<a name="line-329"></a><a name="stringify"></a><span class='hs-comment'>-- | Convert list of inlines to a string with formatting removed.</span>
<a name="line-330"></a><span class='hs-definition'>stringify</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-331"></a><span class='hs-definition'>stringify</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>queryWith</span> <span class='hs-varid'>go</span>
<a name="line-332"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>go</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Inline</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span>
<a name="line-333"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>Space</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>" "</span>
<a name="line-334"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-335"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Code</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-336"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Math</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-337"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>EmDash</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"--"</span>
<a name="line-338"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>EnDash</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"-"</span>
<a name="line-339"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>Apostrophe</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"'"</span>
<a name="line-340"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>Ellipses</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"..."</span>
<a name="line-341"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>LineBreak</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>" "</span>
<a name="line-342"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-343"></a>
<a name="line-344"></a><a name="compactify"></a><span class='hs-comment'>-- | Change final list item from @Para@ to @Plain@ if the list contains</span>
<a name="line-345"></a><span class='hs-comment'>-- no other @Para@ blocks.</span>
<a name="line-346"></a><span class='hs-definition'>compactify</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ List of list items (each a list of blocks)</span>
<a name="line-347"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-348"></a><span class='hs-definition'>compactify</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-349"></a><span class='hs-definition'>compactify</span> <span class='hs-varid'>items</span> <span class='hs-keyglyph'>=</span>
<a name="line-350"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>init</span> <span class='hs-varid'>items</span><span class='hs-layout'>,</span> <span class='hs-varid'>last</span> <span class='hs-varid'>items</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-351"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>items</span>
<a name="line-352"></a> <span class='hs-layout'>(</span><span class='hs-varid'>others</span><span class='hs-layout'>,</span> <span class='hs-varid'>final</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-353"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>last</span> <span class='hs-varid'>final</span> <span class='hs-keyword'>of</span>
<a name="line-354"></a> <span class='hs-conid'>Para</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>filter</span> <span class='hs-varid'>isPara</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concat</span> <span class='hs-varid'>items</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-355"></a> <span class='hs-comment'>-- if this is only Para, change to Plain</span>
<a name="line-356"></a> <span class='hs-keyglyph'>[</span><span class='hs-keyword'>_</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>others</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>init</span> <span class='hs-varid'>final</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Plain</span> <span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-357"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>items</span>
<a name="line-358"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>items</span>
<a name="line-359"></a>
<a name="line-360"></a><a name="isPara"></a><span class='hs-definition'>isPara</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Block</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-361"></a><span class='hs-definition'>isPara</span> <span class='hs-layout'>(</span><span class='hs-conid'>Para</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-362"></a><span class='hs-definition'>isPara</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-363"></a>
<a name="line-364"></a><a name="Element"></a><span class='hs-comment'>-- | Data structure for defining hierarchical Pandoc documents</span>
<a name="line-365"></a><a name="Element"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Element</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Blk</span> <span class='hs-conid'>Block</span>
<a name="line-366"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Sec</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Element</span><span class='hs-keyglyph'>]</span>
<a name="line-367"></a> <span class='hs-comment'>-- lvl num ident label contents</span>
<a name="line-368"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Typeable</span><span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-layout'>)</span>
<a name="line-369"></a>
<a name="line-370"></a><a name="inlineListToIdentifier"></a><span class='hs-comment'>-- | Convert Pandoc inline list to plain text identifier. HTML</span>
<a name="line-371"></a><span class='hs-comment'>-- identifiers must start with a letter, and may contain only</span>
<a name="line-372"></a><span class='hs-comment'>-- letters, digits, and the characters _-.</span>
<a name="line-373"></a><span class='hs-definition'>inlineListToIdentifier</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-374"></a><span class='hs-definition'>inlineListToIdentifier</span> <span class='hs-keyglyph'>=</span>
<a name="line-375"></a> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>isAlpha</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>"-"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>words</span> <span class='hs-varop'>.</span>
<a name="line-376"></a> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>nbspToSp</span> <span class='hs-varop'>.</span> <span class='hs-varid'>toLower</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-377"></a> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>isLetter</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>"_-. "</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-378"></a> <span class='hs-varid'>stringify</span>
<a name="line-379"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>nbspToSp</span> <span class='hs-chr'>'\160'</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>' '</span>
<a name="line-380"></a> <span class='hs-varid'>nbspToSp</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-381"></a>
<a name="line-382"></a><a name="hierarchicalize"></a><span class='hs-comment'>-- | Convert list of Pandoc blocks into (hierarchical) list of Elements</span>
<a name="line-383"></a><span class='hs-definition'>hierarchicalize</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Element</span><span class='hs-keyglyph'>]</span>
<a name="line-384"></a><span class='hs-definition'>hierarchicalize</span> <span class='hs-varid'>blocks</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>evalState</span> <span class='hs-layout'>(</span><span class='hs-varid'>hierarchicalizeWithIds</span> <span class='hs-varid'>blocks</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-385"></a>
<a name="line-386"></a><a name="hierarchicalizeWithIds"></a><span class='hs-definition'>hierarchicalizeWithIds</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>State</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Element</span><span class='hs-keyglyph'>]</span>
<a name="line-387"></a><span class='hs-definition'>hierarchicalizeWithIds</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-388"></a><span class='hs-definition'>hierarchicalizeWithIds</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-varid'>level</span> <span class='hs-varid'>title'</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-389"></a> <span class='hs-layout'>(</span><span class='hs-varid'>lastnum</span><span class='hs-layout'>,</span> <span class='hs-varid'>usedIdents</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>get</span>
<a name="line-390"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ident</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>uniqueIdent</span> <span class='hs-varid'>title'</span> <span class='hs-varid'>usedIdents</span>
<a name="line-391"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>lastnum'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>take</span> <span class='hs-varid'>level</span> <span class='hs-varid'>lastnum</span>
<a name="line-392"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>newnum</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>lastnum'</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>level</span>
<a name="line-393"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>init</span> <span class='hs-varid'>lastnum'</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>last</span> <span class='hs-varid'>lastnum'</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-keyglyph'>]</span>
<a name="line-394"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>lastnum</span> <span class='hs-varop'>++</span> <span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>level</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>lastnum</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>]</span>
<a name="line-395"></a> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>put</span> <span class='hs-layout'>(</span><span class='hs-varid'>newnum</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>ident</span> <span class='hs-conop'>:</span> <span class='hs-varid'>usedIdents</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-396"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>sectionContents</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varid'>headerLtEq</span> <span class='hs-varid'>level</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-397"></a> <span class='hs-varid'>sectionContents'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hierarchicalizeWithIds</span> <span class='hs-varid'>sectionContents</span>
<a name="line-398"></a> <span class='hs-varid'>rest'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hierarchicalizeWithIds</span> <span class='hs-varid'>rest</span>
<a name="line-399"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sec</span> <span class='hs-varid'>level</span> <span class='hs-varid'>newnum</span> <span class='hs-varid'>ident</span> <span class='hs-varid'>title'</span> <span class='hs-varid'>sectionContents'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest'</span>
<a name="line-400"></a><span class='hs-definition'>hierarchicalizeWithIds</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-401"></a> <span class='hs-varid'>rest'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hierarchicalizeWithIds</span> <span class='hs-varid'>rest</span>
<a name="line-402"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-conid'>Blk</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest'</span>
<a name="line-403"></a>
<a name="line-404"></a><a name="headerLtEq"></a><span class='hs-definition'>headerLtEq</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Block</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-405"></a><span class='hs-definition'>headerLtEq</span> <span class='hs-varid'>level</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>l</span> <span class='hs-varop'><=</span> <span class='hs-varid'>level</span>
<a name="line-406"></a><span class='hs-definition'>headerLtEq</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-407"></a>
<a name="line-408"></a><a name="uniqueIdent"></a><span class='hs-comment'>-- | Generate a unique identifier from a list of inlines.</span>
<a name="line-409"></a><span class='hs-comment'>-- Second argument is a list of already used identifiers.</span>
<a name="line-410"></a><span class='hs-definition'>uniqueIdent</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-411"></a><span class='hs-definition'>uniqueIdent</span> <span class='hs-varid'>title'</span> <span class='hs-varid'>usedIdents</span> <span class='hs-keyglyph'>=</span>
<a name="line-412"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>baseIdent</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>inlineListToIdentifier</span> <span class='hs-varid'>title'</span> <span class='hs-keyword'>of</span>
<a name="line-413"></a> <span class='hs-str'>""</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"section"</span>
<a name="line-414"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span>
<a name="line-415"></a> <span class='hs-varid'>numIdent</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>baseIdent</span> <span class='hs-varop'>++</span> <span class='hs-str'>"-"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>n</span>
<a name="line-416"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>baseIdent</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>usedIdents</span>
<a name="line-417"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>find</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>numIdent</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`notElem`</span> <span class='hs-varid'>usedIdents</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-num'>60000</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-418"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>numIdent</span> <span class='hs-varid'>x</span>
<a name="line-419"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>baseIdent</span> <span class='hs-comment'>-- if we have more than 60,000, allow repeats</span>
<a name="line-420"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>baseIdent</span>
<a name="line-421"></a>
<a name="line-422"></a><a name="isHeaderBlock"></a><span class='hs-comment'>-- | True if block is a Header block.</span>
<a name="line-423"></a><span class='hs-definition'>isHeaderBlock</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Block</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-424"></a><span class='hs-definition'>isHeaderBlock</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-425"></a><span class='hs-definition'>isHeaderBlock</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-426"></a>
<a name="line-427"></a><a name="headerShift"></a><span class='hs-comment'>-- | Shift header levels up or down.</span>
<a name="line-428"></a><span class='hs-definition'>headerShift</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Pandoc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Pandoc</span>
<a name="line-429"></a><span class='hs-definition'>headerShift</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bottomUp</span> <span class='hs-varid'>shift</span>
<a name="line-430"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>shift</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Block</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Block</span>
<a name="line-431"></a> <span class='hs-varid'>shift</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-varid'>level</span> <span class='hs-varid'>inner</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Header</span> <span class='hs-layout'>(</span><span class='hs-varid'>level</span> <span class='hs-varop'>+</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>inner</span>
<a name="line-432"></a> <span class='hs-varid'>shift</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-433"></a>
<a name="line-434"></a><span class='hs-comment'>--</span>
<a name="line-435"></a><span class='hs-comment'>-- Writer options</span>
<a name="line-436"></a><span class='hs-comment'>--</span>
<a name="line-437"></a>
<a name="line-438"></a><a name="HTMLMathMethod"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HTMLMathMethod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PlainMath</span>
<a name="line-439"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LaTeXMathML</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- url of LaTeXMathML.js</span>
<a name="line-440"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>JsMath</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- url of jsMath load script</span>
<a name="line-441"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GladTeX</span>
<a name="line-442"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>WebTeX</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- url of TeX->image script.</span>
<a name="line-443"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MathML</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- url of MathMLinHTML.js</span>
<a name="line-444"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MathJax</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- url of MathJax.js</span>
<a name="line-445"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
<a name="line-446"></a>
<a name="line-447"></a><a name="CiteMethod"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>CiteMethod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Citeproc</span> <span class='hs-comment'>-- use citeproc to render them</span>
<a name="line-448"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Natbib</span> <span class='hs-comment'>-- output natbib cite commands</span>
<a name="line-449"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Biblatex</span> <span class='hs-comment'>-- output biblatex cite commands</span>
<a name="line-450"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
<a name="line-451"></a>
<a name="line-452"></a><a name="ObfuscationMethod"></a><span class='hs-comment'>-- | Methods for obfuscating email addresses in HTML.</span>
<a name="line-453"></a><a name="ObfuscationMethod"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ObfuscationMethod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NoObfuscation</span>
<a name="line-454"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ReferenceObfuscation</span>
<a name="line-455"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>JavascriptObfuscation</span>
<a name="line-456"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
<a name="line-457"></a>
<a name="line-458"></a><a name="HTMLSlideVariant"></a><span class='hs-comment'>-- | Varieties of HTML slide shows.</span>
<a name="line-459"></a><a name="HTMLSlideVariant"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HTMLSlideVariant</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S5Slides</span>
<a name="line-460"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SlidySlides</span>
<a name="line-461"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NoSlides</span>
<a name="line-462"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
<a name="line-463"></a>
<a name="line-464"></a><a name="WriterOptions"></a><span class='hs-comment'>-- | Options for writers</span>
<a name="line-465"></a><a name="WriterOptions"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>WriterOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>WriterOptions</span>
<a name="line-466"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>writerStandalone</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Include header and footer</span>
<a name="line-467"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTemplate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Template to use in standalone mode</span>
<a name="line-468"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerVariables</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ Variables to set in template</span>
<a name="line-469"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerEPUBMetadata</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Metadata to include in EPUB</span>
<a name="line-470"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTabStop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Tabstop for conversion btw spaces and tabs</span>
<a name="line-471"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTableOfContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Include table of contents</span>
<a name="line-472"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSlideVariant</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HTMLSlideVariant</span> <span class='hs-comment'>-- ^ Are we writing S5 or Slidy?</span>
<a name="line-473"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIncremental</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ True if lists should be incremental</span>
<a name="line-474"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerXeTeX</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Create latex suitable for use by xetex</span>
<a name="line-475"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerHTMLMathMethod</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HTMLMathMethod</span> <span class='hs-comment'>-- ^ How to print math in HTML</span>
<a name="line-476"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIgnoreNotes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Ignore footnotes (used in making toc)</span>
<a name="line-477"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerNumberSections</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Number sections in LaTeX</span>
<a name="line-478"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSectionDivs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Put sections in div tags in HTML</span>
<a name="line-479"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerStrictMarkdown</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Use strict markdown syntax</span>
<a name="line-480"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerReferenceLinks</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Use reference links in writing markdown, rst</span>
<a name="line-481"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerWrapText</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Wrap text to line length</span>
<a name="line-482"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerColumns</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Characters in a line (for text wrapping)</span>
<a name="line-483"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerLiterateHaskell</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Write as literate haskell</span>
<a name="line-484"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerEmailObfuscation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ObfuscationMethod</span> <span class='hs-comment'>-- ^ How to obfuscate emails</span>
<a name="line-485"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIdentifierPrefix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Prefix for section & note ids in HTML</span>
<a name="line-486"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSourceDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-comment'>-- ^ Directory path of 1st source file</span>
<a name="line-487"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerUserDataDir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>FilePath</span> <span class='hs-comment'>-- ^ Path of user data directory</span>
<a name="line-488"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerCiteMethod</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CiteMethod</span> <span class='hs-comment'>-- ^ How to print cites</span>
<a name="line-489"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerBiblioFiles</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ Biblio files to use for citations</span>
<a name="line-490"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerHtml5</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Produce HTML5</span>
<a name="line-491"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerChapters</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Use "chapter" for top-level sects</span>
<a name="line-492"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerListings</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Use listings package for code</span>
<a name="line-493"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerAscii</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Avoid non-ascii characters</span>
<a name="line-494"></a> <span class='hs-layout'>}</span> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Show</span>
<a name="line-495"></a>
<a name="line-496"></a><a name="defaultWriterOptions"></a><span class='hs-comment'>-- | Default writer options.</span>
<a name="line-497"></a><span class='hs-definition'>defaultWriterOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WriterOptions</span>
<a name="line-498"></a><span class='hs-definition'>defaultWriterOptions</span> <span class='hs-keyglyph'>=</span>
<a name="line-499"></a> <span class='hs-conid'>WriterOptions</span> <span class='hs-layout'>{</span> <span class='hs-varid'>writerStandalone</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-500"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTemplate</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-501"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerVariables</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-502"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerEPUBMetadata</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-503"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTabStop</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4</span>
<a name="line-504"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTableOfContents</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-505"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSlideVariant</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NoSlides</span>
<a name="line-506"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIncremental</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-507"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerXeTeX</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-508"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerHTMLMathMethod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PlainMath</span>
<a name="line-509"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIgnoreNotes</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-510"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerNumberSections</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-511"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSectionDivs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-512"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerStrictMarkdown</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-513"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerReferenceLinks</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-514"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerWrapText</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-515"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerColumns</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>72</span>
<a name="line-516"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerLiterateHaskell</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-517"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerEmailObfuscation</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>JavascriptObfuscation</span>
<a name="line-518"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIdentifierPrefix</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-519"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSourceDirectory</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"."</span>
<a name="line-520"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerUserDataDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-521"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerCiteMethod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Citeproc</span>
<a name="line-522"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerBiblioFiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-523"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerHtml5</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-524"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerChapters</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-525"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerListings</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-526"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerAscii</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-527"></a> <span class='hs-layout'>}</span>
<a name="line-528"></a>
<a name="line-529"></a><span class='hs-comment'>--</span>
<a name="line-530"></a><span class='hs-comment'>-- File handling</span>
<a name="line-531"></a><span class='hs-comment'>--</span>
<a name="line-532"></a>
<a name="line-533"></a><a name="inDirectory"></a><span class='hs-comment'>-- | Perform an IO action in a directory, returning to starting directory.</span>
<a name="line-534"></a><span class='hs-definition'>inDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-535"></a><span class='hs-definition'>inDirectory</span> <span class='hs-varid'>path</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-536"></a> <span class='hs-varid'>oldDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-537"></a> <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-varid'>path</span>
<a name="line-538"></a> <span class='hs-varid'>result</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>action</span>
<a name="line-539"></a> <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-varid'>oldDir</span>
<a name="line-540"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>result</span>
<a name="line-541"></a>
<a name="line-542"></a><a name="findDataFile"></a><span class='hs-comment'>-- | Get file path for data file, either from specified user data directory,</span>
<a name="line-543"></a><span class='hs-comment'>-- or, if not found there, from Cabal data directory.</span>
<a name="line-544"></a><span class='hs-definition'>findDataFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>FilePath</span>
<a name="line-545"></a><span class='hs-definition'>findDataFile</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getDataFileName</span> <span class='hs-varid'>f</span>
<a name="line-546"></a><span class='hs-definition'>findDataFile</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>u</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-547"></a> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-layout'>(</span><span class='hs-varid'>u</span> <span class='hs-varop'></></span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-548"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>ex</span>
<a name="line-549"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>u</span> <span class='hs-varop'></></span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-550"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>getDataFileName</span> <span class='hs-varid'>f</span>
<a name="line-551"></a>
<a name="line-552"></a><a name="readDataFile"></a><span class='hs-comment'>-- | Read file from specified user data directory or, if not found there, from</span>
<a name="line-553"></a><span class='hs-comment'>-- Cabal data directory.</span>
<a name="line-554"></a><span class='hs-definition'>readDataFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>String</span>
<a name="line-555"></a><span class='hs-definition'>readDataFile</span> <span class='hs-varid'>userDir</span> <span class='hs-varid'>fname</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>findDataFile</span> <span class='hs-varid'>userDir</span> <span class='hs-varid'>fname</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-varid'>readFile</span>
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