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<font size="6" face="Verdana, Arial, Helvetica, sans-serif"><b>Grammar</b></font>
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<code><pre>
<span class=identifier>document </span><span class=special>=
</span><span class=identifier>doc_info </span><span class=special>>> </span><span class=identifier>blocks </span><span class=special>>> </span><span class=identifier>space
</span><span class=special>;
</span><span class=identifier>blocks </span><span class=special>=
</span><span class=special>+( </span><span class=identifier>block_markup
</span><span class=special>| </span><span class=identifier>code
</span><span class=special>| </span><span class=identifier>unordered_list
</span><span class=special>| </span><span class=identifier>ordered_list
</span><span class=special>| </span><span class=identifier>hr
</span><span class=special>| </span><span class=identifier>comment </span><span class=special>>> </span><span class=special>*</span><span class=identifier>eol_p
</span><span class=special>| </span><span class=identifier>paragraph
</span><span class=special>| </span><span class=identifier>eol_p
</span><span class=special>)
</span><span class=special>;
</span><span class=identifier>space </span><span class=special>=
</span><span class=special>*(</span><span class=identifier>blank_p </span><span class=special>| </span><span class=identifier>comment</span><span class=special>)
</span><span class=special>;
</span><span class=identifier>comment </span><span class=special>=
</span><span class=string>"[/" </span><span class=special>>> </span><span class=special>*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=literal>']'</span><span class=special>) </span><span class=special>>> </span><span class=literal>']'
</span><span class=special>;
</span><span class=identifier>doc_info </span><span class=special>=
</span><span class=special>*(</span><span class=identifier>space_p </span><span class=special>| </span><span class=identifier>comment</span><span class=special>)
</span><span class=special>>> </span><span class=string>"[doc" </span><span class=special>>> </span><span class=identifier>space
</span><span class=special>>> </span><span class=special>(*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=literal>']'</span><span class=special>))
</span><span class=special>>> </span><span class=literal>']' </span><span class=special>>> </span><span class=special>+</span><span class=identifier>eol_p
</span><span class=special>;
</span><span class=identifier>hr </span><span class=special>=
</span><span class=identifier>str_p</span><span class=special>(</span><span class=string>"----"</span><span class=special>)
</span><span class=special>>> </span><span class=special>*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=identifier>eol_p</span><span class=special>)
</span><span class=special>>> </span><span class=special>+</span><span class=identifier>eol_p</span><span class=special>;
</span><span class=special>;
</span><span class=identifier>block_markup </span><span class=special>=
</span><span class=literal>'['
</span><span class=special>>> </span><span class=special>( </span><span class=identifier>page
</span><span class=special>| </span><span class=identifier>headings
</span><span class=special>| </span><span class=identifier>blurb
</span><span class=special>| </span><span class=identifier>blockquote
</span><span class=special>| </span><span class=identifier>preformatted
</span><span class=special>| </span><span class=identifier>def_macro
</span><span class=special>| </span><span class=identifier>table
</span><span class=special>)
</span><span class=special>>> </span><span class=literal>']'
</span><span class=special>>> </span><span class=special>+</span><span class=identifier>eol_p
</span><span class=special>;
</span><span class=identifier>page </span><span class=special>=
</span><span class=string>"page"
</span><span class=special>>> </span><span class=special>!(</span><span class=literal>':' </span><span class=special>>> </span><span class=identifier>uint_p</span><span class=special>)
</span><span class=special>>> </span><span class=identifier>space
</span><span class=special>>> </span><span class=special>(*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=literal>']'</span><span class=special>))
</span><span class=special>;
</span><span class=identifier>headings </span><span class=special>=
</span><span class=identifier>h1 </span><span class=special>| </span><span class=identifier>h2 </span><span class=special>| </span><span class=identifier>h3 </span><span class=special>| </span><span class=identifier>h4 </span><span class=special>| </span><span class=identifier>h5 </span><span class=special>| </span><span class=identifier>h6
</span><span class=special>;
</span><span class=identifier>h1 </span><span class=special>= </span><span class=string>"h1" </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase</span><span class=special>;
</span><span class=identifier>h2 </span><span class=special>= </span><span class=string>"h2" </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase</span><span class=special>;
</span><span class=identifier>h3 </span><span class=special>= </span><span class=string>"h3" </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase</span><span class=special>;
</span><span class=identifier>h4 </span><span class=special>= </span><span class=string>"h4" </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase</span><span class=special>;
</span><span class=identifier>h5 </span><span class=special>= </span><span class=string>"h5" </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase</span><span class=special>;
</span><span class=identifier>h6 </span><span class=special>= </span><span class=string>"h6" </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase</span><span class=special>;
</span><span class=identifier>blurb </span><span class=special>=
</span><span class=string>"blurb" </span><span class=special>>> </span><span class=identifier>space
</span><span class=special>>> </span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>blockquote </span><span class=special>=
</span><span class=literal>':' </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>>
</span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>preformatted </span><span class=special>=
</span><span class=string>"pre" </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>>
</span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>def_macro </span><span class=special>=
</span><span class=string>"def" </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>identifier
</span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>table </span><span class=special>=
</span><span class=string>"table" </span><span class=special>>> </span><span class=identifier>space
</span><span class=special>>> </span><span class=special>(*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=identifier>eol_p</span><span class=special>))
</span><span class=special>>> </span><span class=special>+</span><span class=identifier>eol_p
</span><span class=special>>> </span><span class=special>*( </span><span class=identifier>table_row
</span><span class=special>>> </span><span class=special>+</span><span class=identifier>eol_p
</span><span class=special>)
</span><span class=special>>> </span><span class=identifier>eps_p
</span><span class=special>;
</span><span class=identifier>table_row </span><span class=special>=
</span><span class=special>*( </span><span class=identifier>space
</span><span class=special>>> </span><span class=identifier>ch_p</span><span class=special>(</span><span class=literal>'['</span><span class=special>)
</span><span class=special>>> </span><span class=identifier>phrase
</span><span class=special>>> </span><span class=identifier>ch_p</span><span class=special>(</span><span class=literal>']'</span><span class=special>)
</span><span class=special>>> </span><span class=identifier>space
</span><span class=special>)
</span><span class=special>;
</span><span class=identifier>identifier </span><span class=special>=
</span><span class=special>*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=special>(</span><span class=identifier>space_p </span><span class=special>| </span><span class=literal>']'</span><span class=special>))
</span><span class=special>;
</span><span class=identifier>code </span><span class=special>=
</span><span class=identifier>code_line </span><span class=special>>> </span><span class=special>*(*</span><span class=identifier>eol_p </span><span class=special>>> </span><span class=identifier>code_line</span><span class=special>)
</span><span class=special>;
</span><span class=identifier>code_line </span><span class=special>=
</span><span class=special>((</span><span class=identifier>ch_p</span><span class=special>(</span><span class=literal>' '</span><span class=special>) </span><span class=special>| </span><span class=literal>'\t'</span><span class=special>))
</span><span class=special>>> </span><span class=special>*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=identifier>eol_p</span><span class=special>) </span><span class=special>>> </span><span class=identifier>eol_p
</span><span class=special>;
</span><span class=identifier>unordered_list </span><span class=special>=
</span><span class=special>+(</span><span class=literal>'*' </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>line</span><span class=special>)
</span><span class=special>;
</span><span class=identifier>ordered_list </span><span class=special>=
</span><span class=special>+(</span><span class=literal>'#' </span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>line</span><span class=special>)
</span><span class=special>;
</span><span class=identifier>common </span><span class=special>=
</span><span class=identifier>self</span><span class=special>.</span><span class=identifier>actions</span><span class=special>.</span><span class=identifier>macro
</span><span class=special>| </span><span class=identifier>phrase_markup
</span><span class=special>| </span><span class=identifier>escape
</span><span class=special>| </span><span class=identifier>comment
</span><span class=special>;
</span><span class=identifier>line </span><span class=special>=
</span><span class=special>*( </span><span class=identifier>common
</span><span class=special>| </span><span class=special>(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=identifier>eol_p</span><span class=special>)
</span><span class=special>)
</span><span class=special>>> </span><span class=special>+</span><span class=identifier>eol_p
</span><span class=special>;
</span><span class=identifier>paragraph </span><span class=special>=
</span><span class=special>*( </span><span class=identifier>common
</span><span class=special>| </span><span class=special>( </span><span class=identifier>anychar_p
</span><span class=special>- </span><span class=special>(</span><span class=identifier>eol_p </span><span class=special>>> </span><span class=identifier>eol_p</span><span class=special>)
</span><span class=special>)
</span><span class=special>)
</span><span class=special>>> </span><span class=special>+</span><span class=identifier>eol_p
</span><span class=special>;
</span><span class=identifier>phrase </span><span class=special>=
</span><span class=special>*( </span><span class=identifier>common
</span><span class=special>| </span><span class=identifier>comment
</span><span class=special>| </span><span class=special>(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=literal>']'</span><span class=special>)
</span><span class=special>)
</span><span class=special>;
</span><span class=identifier>phrase_markup </span><span class=special>=
</span><span class=literal>'['
</span><span class=special>>> </span><span class=special>( </span><span class=identifier>image
</span><span class=special>| </span><span class=identifier>link
</span><span class=special>| </span><span class=identifier>bold
</span><span class=special>| </span><span class=identifier>italic
</span><span class=special>| </span><span class=identifier>underline
</span><span class=special>| </span><span class=identifier>teletype
</span><span class=special>| </span><span class=identifier>str_p</span><span class=special>(</span><span class=string>"br"</span><span class=special>)
</span><span class=special>| </span><span class=identifier>unexpected
</span><span class=special>)
</span><span class=special>>> </span><span class=literal>']'
</span><span class=special>;
</span><span class=identifier>escape </span><span class=special>=
</span><span class=special>(
</span><span class=string>"'''"
</span><span class=special>>> </span><span class=special>*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=string>"'''"</span><span class=special>)
</span><span class=special>>> </span><span class=string>"'''"
</span><span class=special>)
</span><span class=special>| </span><span class=special>(
</span><span class=string>"\"'"
</span><span class=special>>> </span><span class=special>*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=string>"\"'"</span><span class=special>)
</span><span class=special>>> </span><span class=string>"\"'"
</span><span class=special>)
</span><span class=special>;
</span><span class=identifier>image </span><span class=special>=
</span><span class=literal>'$' </span><span class=special>>> </span><span class=identifier>space
</span><span class=special>>> </span><span class=special>(*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=literal>']'</span><span class=special>))
</span><span class=special>;
</span><span class=identifier>link </span><span class=special>=
</span><span class=literal>'@'
</span><span class=special>>> </span><span class=special>(*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=identifier>space</span><span class=special>))
</span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>bold </span><span class=special>=
</span><span class=identifier>ch_p</span><span class=special>(</span><span class=literal>'*'</span><span class=special>)
</span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>italic </span><span class=special>=
</span><span class=identifier>ch_p</span><span class=special>(</span><span class=literal>'\''</span><span class=special>)
</span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>underline </span><span class=special>=
</span><span class=identifier>ch_p</span><span class=special>(</span><span class=literal>'_'</span><span class=special>)
</span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>teletype </span><span class=special>=
</span><span class=identifier>ch_p</span><span class=special>(</span><span class=literal>'^'</span><span class=special>)
</span><span class=special>>> </span><span class=identifier>space </span><span class=special>>> </span><span class=identifier>phrase
</span><span class=special>;
</span><span class=identifier>unexpected </span><span class=special>=
</span><span class=special>(*(</span><span class=identifier>anychar_p </span><span class=special>- </span><span class=literal>']'</span><span class=special>))
</span><span class=special>;
</span></pre></code>
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<hr size="1"><p class="copyright">Copyright © 2001-2002 Joel de Guzman<br><br>
<font size="2">Permission to copy, use, modify, sell and distribute this document
is granted provided this copyright notice appears in all copies. This document
is provided "as is" without express or implied warranty, and with
no claim as to its suitability for any purpose. </font> </p>
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