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<TITLE>HTMLDOC On-Line Help</TITLE>
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<H1><A NAME="CONTENTS">HTMLDOC On-Line Help</A></H1>
<UL>
<LI><A HREF="#LOADSAVE">Loading and Saving Books</A>
<LI><A HREF="#INPUT">The Input Tab</A>
<LI><A HREF="#OUTPUT">The Output Tab</A>
<LI><A HREF="#PAGE">The Page Tab</A>
<LI><A HREF="#TOC">The TOC Tab</A>
<LI><A HREF="#COLORS">The Colors Tab</A>
<LI><A HREF="#FONTS">The Fonts Tab</A>
<LI><A HREF="#PS">The PS Tab</A>
<LI><A HREF="#PDF">The PDF Tab</A>
<LI><A HREF="#SECURITY">The Security Tab</A>
<LI><A HREF="#OPTIONS">The Options Tab</A>
</UL>
<HR>
<P><A NAME="LOADSAVE"><A HREF="#CONTENTS">Contents</A></A>
<H1>Loading and Saving Books</H1>
HTMLDOC stores the HTML files, settings, and options you have
chosen in <CODE>.BOOK</CODE> files. The buttons on the bottom of the
HTMLDOC window allow you manage these files and generate
formatted documents.
<TABLE>
<TR>
<TH WIDTH="80">Button</TH>
<TH WIDTH="300">Description</TH>
</TR>
<TR>
<TD>Help</TD>
<TD>Displays this on-line help.</TD>
</TR>
<TR>
<TD>New</TD>
<TD>Creates a new <CODE>.BOOK</CODE> file.</TD>
</TR>
<TR>
<TD>Open...</TD>
<TD>Opens an existing <CODE>.BOOK</CODE> file.</TD>
</TR>
<TR>
<TD>Save</TD>
<TD>Saves the current <CODE>.BOOK</CODE> file to disk.</TD>
</TR>
<TR>
<TD>Save As...</TD>
<TD>Saves the current <CODE>.BOOK</CODE> file to disk using
the name you specify.</TD>
</TR>
<TR>
<TD>Generate</TD>
<TD>Generates the current <CODE>.BOOK</CODE> file into a HTML,
PDF, or PostScript file.</TD>
</TR>
<TR>
<TD>Close</TD>
<TD>Exits HTMLDOC.</TD>
</TR>
</TABLE>
<HR>
<P><A NAME="INPUT"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The Input Tab</H1>
The input tab lists all of the source files that are used to generate the
document. You can also specify the type of document (book or web page) and the
title and logo images.
<H2>Setting the Document Type</H2>
Normally HTMLDOC generates indexed documents from your structured source files.
To convert a single unstructured document (or "web page") click on the
<I>Continuous</I> or <I>Web Page</I> radio buttons. The <I>Web Page</I> type
inserts page breaks between each file or URL, while the <I>Continuous</I> type
does not.
<P>Structured HTML files use heading elements (<CODE>H1</CODE>, <CODE>H2</CODE>,
etc.) to delineate chapters and headings within a document.
<H2>Adding Input Files</H2>
<P>Click on the <I>Add File(s)...</I> button to add one or more HTML or Markdown
files to your <CODE>.BOOK</CODE> file.
<H2>Adding URLs</H2>
<P>Click on the <I>Add URL(s)...</I> button to add one or more URLs to your
<CODE>.BOOK</CODE> file.
<H2>Deleting Input Files</H2>
<p>Highlight the file(s) in the input file list and then click on the
<I>Delete</I> button to remove one or more source files from your document. The
files are removed from your document but are <I>not</I> deleted from disk.</p>
<H2>Editing Input Files</H2>
<p>Highlight the file(s) in the input file list and then click on the
<I>Edit...</I> button to edit one or more source files in your document. By
default this starts the <I>gedit</I> editor under Linux, the <i>bbedit</i>
editor under macOS, and the <I>Notepad</I> editor under Windows.</p>
<P>The editor can be changed in the <A HREF="#OPTIONS">Options Tab</A>.
<H2>Reordering Input Files</H2>
Highlight the file(s) in the input file list and then click on the <I>Move
Up</I> or <I>Move Down</I> buttons to change the order of the input files.
<H2>Selecting a Logo Image</H2>
<p>The logo image can be shown in the header or footer of pages in the
PostScript and PDF output files. Click on the <I>Browse</I> button to select a
logo image file using the file chooser.</p>
<H3>Selecting a Title File or Image</H3>
<p>The title file or image is used for the title page. Click on the
<I>Browse</I> button to select a title file using the file chooser.</p>
<HR>
<P><A NAME="OUTPUT"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The Output Tab</H1>
<p>The output tab specifies where your document will be generated, the output
format, and some of the output options.</p>
<H2>Selecting File or Directory Generation</H2>
<p>HTMLDOC can generate a single EPUB, HTML, PDF, or PostScript file, or a
series of files to a directory when generating HTML or PostScript output.</p>
<P>Click on the <I>File</I> radio button to select single file output.
Click on the <I>Directory</I> radio button to generate multiple files
to a directory.</p>
<H2>Selecting an Output File or Directory</H2>
<p>The output file is the EPUB, HTML, PostScript, or PDF file you wish to
generate from your source files. Click on the <I>Browse</I> button to select an
output file using the file chooser.</p>
<H2>Selecting the Output Format</H2>
<p>Click on the corresponding <I>Output Type</I> radio button to select an
output format. You can select the PostScript language level in the
<A HREF="#PS">PS Tab</A> and the PDF version in the <A HREF="#PDF">PDF Tab</A>.
<H2>Selecting Grayscale Output</H2>
<p>When generating PostScript or PDF files you can choose to convert all images
to grayscale. This is necessary for many Level 1 printers that do not support
color images and can reduce the size of output files considerably.</p>
<P>Click in the <I>Grayscale</I> check box to enable or disable grayscale
output.</p>
<H2>Title Page</H2>
<p>The title page is the first page in your generated file. Click in the
<I>Title Page</I> check box to turn the title page on or off.</p>
<H2>JPEG Big Images</H2>
<p>JPEG compression is a great way to reduce the size of large photographic
or continuous-tone images. It is supported when generating PDF, PostScript
Level 2, and PostScript Level 3 output. HTMLDOC uses JPEG compression when the
output image cannot be reduced to 256 colors or less.</p>
<P>Click in the <I>JPEG Big Images</I> check box to enable or disable
JPEG compression.</p>
<H2>JPEG Quality</H2>
<p>Drag the <I>JPEG Quality</I> slider to change the JPEG quality setting.
The JPEG quality setting determines the relative quality of the compressed
image. Since JPEG is a <I>lossy</I> compression algorithm, higher
compression generally yields lower quality. Typically a quality of 75 or
higher provides excellent image quality with a high amount of compression.</p>
<H2>Compression</H2>
<p>PDF 1.2, PDF 1.3, PDF 1.4, and Level 3 PostScript files can be compressed
using Flate (a.k.a. ZIP) compression to substantially reduce the size of files.
Drag the <I>Compression</I> slider to set the amount of compression to use.</p>
<P>Unlike JPEG, the Flate algorithm is lossless and will not cause any
loss of visual quality at any level of compression.</p>
<HR>
<P><A NAME="PAGE"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The Page Tab</H1>
<P>The page tab defines the page header, footer, size, and margins for
PostScript and PDF output.
<H2>Page Size</H2>
<P>The page size option is only available for PostScript and PDF output.
HTMLDOC supports the following standard page size names:
<UL>
<LI>A3 - 11.69x16.54in (297x420mm)
<LI>A4 - 8.27x11.69in (210x297mm)
<LI>Legal - 8.5x14in (216x356mm)
<LI>Letter - 8.5x11in (216x279mm)
<LI>Tabloid - 11x17in (279x432mm)
<LI>Universal - 8.27x11in (210x279mm)
</UL>
<P>Click on the <I>Page Size</I> arrow button to select a standard page
size. You can specify a custom page size by double-clicking on the page
size text and entering the page width and length separated by the letter
"x". Append the letters "in" for inches, "mm" for millimeters, or "cm"
for centimeters.
<P><B>Note:</B> This option does not set the page size on the printer.
It only generates pages using the specified size. See the <A HREF="#PS">PS
Tab</A> to enable printer commands for PostScript printers.
<H2>2-Sided</H2>
<P>Click in the <I>2-Sided</I> check box to select double-sided (duplexed)
output.
<P><B>Note:</B> This option does not select duplexing on the printer.
It only generates pages with the left/right margins swapped on even
numbered pages and forces all chapters (and the table-of-contents) to
start on an odd-numbered page. See the <A HREF="#PS">PS Tab</A> to enable
printer commands for PostScript printers.
<H2>Landscape</H2>
<P>Click in the <I>Landscape</I> check box to select landscape output.
<H2>Page Margins</H2>
<P>The left, right, top, and bottom margins can be changed by clicking in the
appropriate text field and entering a new margin. Append the letters "in"
for inches, "mm" for millimeters, or "cm" for centimeters.
<H2>Header and Footer</H2>
<P>Select the desired text from each of the option buttons to customize the
header and footer for the document/body pages. The left option buttons
set the text that is left-justified, the middle buttons set the text
that is centered, and the right buttons set the text that is right-justified.
<P>The left and right header and footer are swapped automatically when
generating duplexed output.
<H2>Number Up</H2>
<P>The <I>Number Up</I> chooser selects the number of document
pages that will appear on each output page. Click on the chooser
to select a different number of pages.
<HR>
<P><A NAME="TOC"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The Table-Of-Contents Tab</H1>
The table-of-contents tab defines the number of levels in the
table-of-contents and the page header and footer that are used when
generating PostScript and PDF files.
<H2>Customizing the Table of Contents</H2>
To change the number of header levels listed in the table of contents, or to
turn off table-of-contents generation entirely, click on <I>Table of Contents</I>
chooser and select the number of levels desired.
<H2>Numbering Table of Contents Headings</H2>
To number the headings in your document, click on the <I>Numbered Headings</I>
toggle button.
<H2>Customizing the Header and Footer</H2>
To customize the header and footer for the table-of-contents pages, select the
desired text from each of the option buttons. The leftmost option buttons
set the text that is left-justified, while the middle buttons set the text that
is centered and the right buttons set the text that is right-justified.
<H3>Title</H3>
Enter the desired title for the table-of-contents in the <I>Title</I>
field.
<HR>
<P><A NAME="COLORS"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The Colors Tab</H1>
The colors tab specifies the colors and background image that should be
used for the document.
<H2>Body Color</H2>
The <VAR>Body Color</VAR> field specifies the default background color. It
can be a standard HTML color name or a hexadecimal RGB color of the
form <CODE>#RRGGBB</CODE>. Click on the <VAR>Lookup...</VAR> button to
pick the color graphically.
<H2>Body Image</H2>
The <VAR>Body Image</VAR> field specifies the default background image.
Click on the <VAR>Browse...</VAR> button to pick the background image using
the file chooser.
<H2>Text Color</H2>
The <VAR>Text Color</VAR> field specifies the default text color. It
can be a standard HTML color name or a hexadecimal RGB color of the
form <CODE>#RRGGBB</CODE>. Click on the <VAR>Lookup...</VAR> button to
pick the color graphically.
<H3>Link Color</H3>
The <VAR>Link Color</VAR> field specifies the default link color. It
can be a standard HTML color name or a hexadecimal RGB color of the
form <CODE>#RRGGBB</CODE>. Click on the <VAR>Lookup...</VAR> button to
pick the color graphically.
<H3>Link Style</H3>
The <VAR>Link Style</VAR> chooser specifies the default link decoration.
<HR>
<P><A NAME="FONTS"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The Fonts Tab</H1>
The fonts tab contains all of the document font options. The default options
roughly correspond to those used by most browsers.
<H2>Base Font Size</H2>
Click on the left arrow buttons to decrease the font size and the right
arrow buttons to increase the font size.
<P>The font size value is in points (there are 72 points per inch).
<H2>Line Spacing</H2>
Click on the left arrow buttons to decrease the line spacing and the
right arrow buttons to increase the line spacing.
<H2>Body Typeface</H2>
The body typeface is the font used for paragraphs and most other text
in a document. Click on the <I>Body Typeface</I> option button to change
the body typeface.
<H2>Heading Typeface</H2>
The heading typeface is the font used for headings. Click on the
<I>Heading Typeface</I> option button to change the typeface used for
headings.
<H2>Header/Footer Size</H2>
Click on the left arrow buttons to decrease the heading and footer font
size and the right arrow buttons to increase the font size. The font size
value is in points (there are 72 points per inch).
<H2>Header/Footer Font</H2>
The header/footer font is the font used for headers at the top of
the page and footers at the bottom of the page. Click on the
<I>Header/Footer Font</I> option button to change the header/footer font.
<H2>Character Set</H2>
Click on the <I>Character Set</I> option button to change the encoding
of text in the document.
<H3>Options</H3>
<P>The <VAR>Embed Fonts</VAR> check box controls whether or not
fonts are embedded in PostScript and PDF output.
<HR>
<P><A NAME="PS"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The PS Tab</H1>
The PS tab contains settings specific to PostScript output.
<H2>Language Level</H2>
Select the appropriate language level by clicking on the corresponding
radio button. Level 1 output is the most portable, however most PostScript
printers manufactured in the last 6 years support Level 2. Level 3 output
supports Flate compression, however very few printers support Level 3
PostScript at this time.
<H2>Send Printer Commands</H2>
Click in the <I>Send Printer Commands</I> check box to enable to
disable printer commands in the PostScript output files.
Printer commands are not supported for PostScript Level 1
output.
<H2>Include Xerox Job Comments</H2>
<P>The <VAR>Include Xerox Job Comments</VAR> check box controls
whether or not the output files contain Xerox job comments.
Click in the check box to enable or disable the job comments.
<P>Job comments are available with all levels of PostScript output.
<HR>
<P><A NAME="PDF"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The PDF Tab</H1>
The PDF tab contains settings specific to PDF output.
<H2>PDF Version</H2>
The <VAR>PDF Version</VAR> radio buttons control what version of PDF is
generated. PDF 1.4 is the most commonly supported version. Click on the
corresponding radio button to set the version.
<H2>Page Mode</H2>
The <VAR>Page Mode</VAR> option button controls the initial viewing mode
for the document. Click on the option button to set the page mode.
<P>The <VAR>Document</VAR> page mode displays only the document pages.
The <VAR>Outline</VAR> page mode displays the table-of-contents outline
as well as the document pages. The <VAR>Full-Screen</VAR> page mode
displays the document pages on the whole screen; this mode is used
primarily for presentations.
<H2>Page Layout</H2>
The <VAR>Page Layout</VAR> option button controls the initial layout of
document pages on the screen. Click on the option button to set the page
layout.
<P>The <VAR>Single</VAR> page layout displays a single page at a time.
The <VAR>One Column</VAR> page layout displays a single column of pages
at a time. The <VAR>Two Column Left</VAR> and <VAR>Two Column
Right</VAR> page layouts display two columns of pages at a time; the
first page is displayed in the left or right column as selected.
<H2>First Page</H2>
The <VAR>First Page</VAR> option button controls the initial page that is
displayed. Click on the option button to choose the first page.
<H2>Page Effect</H2>
The <VAR>Page Effect</VAR> option button controls the page effect that is
displayed in <VAR>Full-Screen</VAR> mode. Click on the option button to
select a page effect.
<H2>Page Duration</H2>
The <VAR>Page Duration</VAR> slider controls the number of seconds that
each page will be visible in <VAR>Full-Screen</VAR> mode. Drag the slider
to adjust the number of seconds.
<H2>Effect Duration</H2>
The <VAR>Effect Duration</VAR> slider controls the number of seconds
that the page effect will last when changing pages. Drag the slider to
adjust the number of seconds.
<H3>Options</H3>
<P>The <VAR>Include Links</VAR> check box controls whether or
not hyperlinks are included in PDF output.
<HR>
<P><A NAME="SECURITY"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The Security Tab</H1>
<P>The security tab allows you to enable PDF document encryption
and security features.
<H2>Encryption</H2>
<P>The <VAR>Encryption</VAR> buttons control whether or not encryption is
performed on the PDF file. Encrypted documents can be password protected and
also provide user permissions.
<H2>Permissions</H2>
<P>The <VAR>Permissions</VAR> buttons control what operations are allowed by
the PDF viewer.
<H2>Owner Password</H2>
<P>The <VAR>Owner Password</VAR> field contains the document owner password,
a string that is used by Adobe Acrobat to control who can change document
permissions, etc.
<P>If this field is left blank, a random 32-character password is generated
so that no one can change the document using the Adobe tools.
<H2>User Password</H2>
<P>The <VAR>User Password</VAR> field contains the document user password,
a string that is used by Adobe Acrobat to restrict viewing permissions on
the file.
<P>If this field is left blank, any user may view the document without entering
a password.
<HR>
<P><A NAME="OPTIONS"><A HREF="#CONTENTS">Contents</A> |
<A HREF="#LOADSAVE">Loading and Saving Books</A></A>
<H1>The Options Tab</H1>
The options tab contains the current HTML editor and allows you to save
the current settings as defaults.
<H2>HTML Editor</H2>
Type in the program name in the <I>HTML Editor</I> field or click on the
<I>Browse...</I> button to change the HTML editor that is used. The "%s"
is required and is replaced by the file to edit.
<H2>Browser Width</H2>
Drag the <I>Browser Width</I> slider to specify the width of the browser in
pixels that is used to scale images and other pixel measurements to the
printable page width. You can adjust this value to more closely match the
formatting on the screen.
<P>The default browser width is 680 pixels which corresponds
roughly to a 96 DPI display. The browser width is only used
when generating PostScript or PDF files.
<H2>Search Path</H2>
Enter a list of directories in the <I>Search Path</I> field to specify
a search path for files that are loaded by HTMLDOC. This is usually used
to get images that use absolute server paths to load.
<P>Directories are separated by the semicolon (;) so that drive letters
and URLs can be specified.
<H2>HTTP Proxy URL</H2>
Enter the URL for the HTTP proxy in the <I>HTTP proxy URL</I> field to
specify a proxy host for all HTTP requests.
<H2>Tooltips</H2>
<P>Check the <I>Tooltips</I> button to enable tooltips on GUI controls.
<H2>Strict HTML</H2>
<P>Check the <I>Strict HTML</I> button to enable strict HTML conformance
checking in HTMLDOC.
<H2>Save Options and Defaults</H2>
Click on the <I>Save Options and Defaults</I> button to save the current
HTML editor, page, table-of-contents, color, font, PDF, and PostScript
options. Default options are used for new documents and when generating
documents from the command-line.
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