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2082 lines
54 KiB
Perl
Executable File
2082 lines
54 KiB
Perl
Executable File
#!/usr/local/bin/perl
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'di ';
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'ig 00 ';
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#+##############################################################################
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# #
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# File: texi2html #
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# #
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# Description: Program to transform most Texinfo documents to HTML #
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# #
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#-##############################################################################
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# @(#)texi2html 1.52 01/05/98 Written (mainly) by Lionel Cons, Lionel.Cons@cern.ch
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# The man page for this program is included at the end of this file and can be
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# viewed using the command 'nroff -man texi2html'.
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# Please read the copyright at the end of the man page.
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#+++############################################################################
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# #
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# Constants #
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# #
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#---############################################################################
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$DEBUG_TOC = 1;
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$DEBUG_INDEX = 2;
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$DEBUG_BIB = 4;
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$DEBUG_GLOSS = 8;
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$DEBUG_DEF = 16;
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$DEBUG_HTML = 32;
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$DEBUG_USER = 64;
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$BIBRE = '\[[\w\/-]+\]'; # RE for a bibliography reference
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$FILERE = '[\/\w.+-]+'; # RE for a file name
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$VARRE = '[^\s\{\}]+'; # RE for a variable name
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$NODERE = '[^@{}:\'`",]+'; # RE for a node name
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$NODESRE = '[^@{}:\'`"]+'; # RE for a list of node names
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$XREFRE = '[^@{}]+'; # RE for a xref (should use NODERE)
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$ERROR = "***"; # prefix for errors and warnings
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$THISPROG = "texi2html 1.52"; # program name and version
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$HOMEPAGE = "http://wwwinfo.cern.ch/dis/texi2html/"; # program home page
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$TODAY = &pretty_date; # like "20 September 1993"
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$SPLITTAG = "<!-- SPLIT HERE -->\n"; # tag to know where to split
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$PROTECTTAG = "_ThisIsProtected_"; # tag to recognize protected sections
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$html2_doctype = '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0 Strict Level 2//EN">';
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#
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# language dependent constants
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#
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#$LDC_SEE = 'see';
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#$LDC_SECTION = 'section';
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#$LDC_IN = 'in';
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#$LDC_TOC = 'Table of Contents';
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#$LDC_GOTO = 'Go to the';
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#$LDC_FOOT = 'Footnotes';
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# TODO: @def* shortcuts
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#
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# pre-defined indices
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#
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%predefined_index = (
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'cp', 'c',
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'fn', 'f',
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'vr', 'v',
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'ky', 'k',
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'pg', 'p',
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'tp', 't',
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);
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#
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# valid indices
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#
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%valid_index = (
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'c', 1,
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'f', 1,
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'v', 1,
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'k', 1,
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'p', 1,
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't', 1,
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);
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#
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# texinfo section names to level
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#
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%sec2level = (
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'top', 0,
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'chapter', 1,
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'unnumbered', 1,
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'majorheading', 1,
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'chapheading', 1,
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'appendix', 1,
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'section', 2,
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'unnumberedsec', 2,
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'heading', 2,
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'appendixsec', 2,
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'appendixsection', 2,
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'subsection', 3,
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'unnumberedsubsec', 3,
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'subheading', 3,
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'appendixsubsec', 3,
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'subsubsection', 4,
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'unnumberedsubsubsec', 4,
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'subsubheading', 4,
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'appendixsubsubsec', 4,
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);
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#
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# accent map, TeX command to ISO name
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#
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%accent_map = (
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'"', 'uml',
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'~', 'tilde',
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'^', 'circ',
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'`', 'grave',
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'\'', 'acute',
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);
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#
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# texinfo "simple things" (@foo) to HTML ones
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#
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%simple_map = (
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# cf. makeinfo.c
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"*", "<BR>", # HTML+
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" ", " ",
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"\n", "\n",
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"|", "",
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# spacing commands
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":", "",
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"!", "!",
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"?", "?",
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".", ".",
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"-", "",
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);
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#
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# texinfo "things" (@foo{}) to HTML ones
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#
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%things_map = (
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'TeX', 'TeX',
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'br', '<P>', # paragraph break
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'bullet', '*',
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'copyright', '(C)',
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'dots', '...',
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'equiv', '==',
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'error', 'error-->',
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'expansion', '==>',
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'minus', '-',
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'point', '-!-',
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'print', '-|',
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'result', '=>',
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'today', $TODAY,
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);
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#
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# texinfo styles (@foo{bar}) to HTML ones
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#
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%style_map = (
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'asis', '',
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'b', 'B',
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'cite', 'CITE',
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'code', 'CODE',
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'ctrl', '&do_ctrl', # special case
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'dfn', 'EM', # DFN tag is illegal in the standard
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'dmn', '', # useless
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'email', '&do_email', # insert a clickable email address
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'emph', 'EM',
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'file', '"TT', # will put quotes, cf. &apply_style
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'i', 'I',
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'kbd', 'KBD',
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'key', 'KBD',
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'math', 'EM',
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'r', '', # unsupported
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'samp', '"SAMP', # will put quotes, cf. &apply_style
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'sc', '&do_sc', # special case
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'strong', 'STRONG',
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't', 'TT',
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'titlefont', '', # useless
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'uref', '&do_uref', # insert a clickable URL
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'url', '&do_url', # insert a clickable URL
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'var', 'VAR',
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'w', '', # unsupported
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);
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#
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# texinfo format (@foo/@end foo) to HTML ones
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#
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%format_map = (
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'display', 'PRE',
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'example', 'PRE',
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'format', 'PRE',
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'lisp', 'PRE',
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'quotation', 'BLOCKQUOTE',
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'smallexample', 'PRE',
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'smalllisp', 'PRE',
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# lists
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'itemize', 'UL',
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'enumerate', 'OL',
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# poorly supported
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'flushleft', 'PRE',
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'flushright', 'PRE',
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);
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#
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# texinfo definition shortcuts to real ones
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#
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%def_map = (
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# basic commands
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'deffn', 0,
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'defvr', 0,
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'deftypefn', 0,
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'deftypevr', 0,
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'defcv', 0,
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'defop', 0,
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'deftp', 0,
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# basic x commands
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'deffnx', 0,
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'defvrx', 0,
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'deftypefnx', 0,
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'deftypevrx', 0,
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'defcvx', 0,
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'defopx', 0,
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'deftpx', 0,
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# shortcuts
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'defun', 'deffn Function',
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'defmac', 'deffn Macro',
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'defspec', 'deffn {Special Form}',
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'defvar', 'defvr Variable',
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'defopt', 'defvr {User Option}',
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'deftypefun', 'deftypefn Function',
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'deftypevar', 'deftypevr Variable',
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'defivar', 'defcv {Instance Variable}',
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'defmethod', 'defop Method',
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# x shortcuts
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'defunx', 'deffnx Function',
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'defmacx', 'deffnx Macro',
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'defspecx', 'deffnx {Special Form}',
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'defvarx', 'defvrx Variable',
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'defoptx', 'defvrx {User Option}',
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'deftypefunx', 'deftypefnx Function',
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'deftypevarx', 'deftypevrx Variable',
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'defivarx', 'defcvx {Instance Variable}',
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'defmethodx', 'defopx Method',
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);
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#
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# things to skip
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#
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%to_skip = (
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# comments
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'c', 1,
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'comment', 1,
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# useless
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'contents', 1,
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'shortcontents', 1,
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'summarycontents', 1,
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'footnotestyle', 1,
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'end ifclear', 1,
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'end ifset', 1,
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'titlepage', 1,
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'end titlepage', 1,
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# unsupported commands (formatting)
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'afourpaper', 1,
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'cropmarks', 1,
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'finalout', 1,
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'headings', 1,
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'need', 1,
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'page', 1,
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'setchapternewpage', 1,
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'everyheading', 1,
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'everyfooting', 1,
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'evenheading', 1,
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'evenfooting', 1,
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'oddheading', 1,
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'oddfooting', 1,
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'smallbook', 1,
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'vskip', 1,
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'filbreak', 1,
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'paragraphindent', 1,
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# unsupported formats
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'cartouche', 1,
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'end cartouche', 1,
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'group', 1,
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'end group', 1,
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);
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#+++############################################################################
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# #
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# Argument parsing, initialisation #
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# #
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#---############################################################################
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%value = (); # hold texinfo variables, see also -D
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$use_bibliography = 1;
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$use_acc = 0;
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$debug = 0;
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$doctype = '';
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$check = 0;
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$expandinfo = 0;
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$use_glossary = 0;
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$invisible_mark = '';
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$use_iso = 0;
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@include_dirs = ();
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$show_menu = 0;
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$number_sections = 0;
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$split_node = 0;
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$split_chapter = 0;
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$monolithic = 0;
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$verbose = 0;
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$usage = <<EOT;
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This is $THISPROG
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To convert a Texinfo file to HMTL: $0 [options] file
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where options can be:
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-expandinfo : use \@ifinfo sections, not \@iftex
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-glossary : handle a glossary
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-invisible name: use 'name' as an invisible anchor
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-Dname : define name like with \@set
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-I dir : search also for files in 'dir'
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-menu : handle menus
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-monolithic : output only one file including ToC
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-number : number sections
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-split_chapter : split on main sections
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-split_node : split on nodes
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-usage : print usage instructions
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-verbose : verbose output
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To check converted files: $0 -check [-verbose] files
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EOT
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while (@ARGV && $ARGV[0] =~ /^-/) {
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$_ = shift(@ARGV);
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if (/^-acc$/) { $use_acc = 1; next; }
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if (/^-d(ebug)?(\d+)?$/) { $debug = $2 || shift(@ARGV); next; }
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if (/^-doctype$/) { $doctype = shift(@ARGV); next; }
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if (/^-c(heck)?$/) { $check = 1; next; }
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if (/^-e(xpandinfo)?$/) { $expandinfo = 1; next; }
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if (/^-g(lossary)?$/) { $use_glossary = 1; next; }
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if (/^-i(nvisible)?$/) { $invisible_mark = shift(@ARGV); next; }
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if (/^-iso$/) { $use_iso = 1; next; }
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if (/^-D(.+)?$/) { $value{$1 || shift(@ARGV)} = 1; next; }
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if (/^-I(.+)?$/) { push(@include_dirs, $1 || shift(@ARGV)); next; }
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if (/^-m(enu)?$/) { $show_menu = 1; next; }
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if (/^-mono(lithic)?$/) { $monolithic = 1; next; }
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if (/^-n(umber)?$/) { $number_sections = 1; next; }
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if (/^-s(plit)?_?(n(ode)?|c(hapter)?)?$/) {
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if ($2 =~ /^n/) {
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$split_node = 1;
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} else {
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$split_chapter = 1;
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}
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next;
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}
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if (/^-v(erbose)?$/) { $verbose = 1; next; }
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die $usage;
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}
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if ($check) {
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die $usage unless @ARGV > 0;
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✓
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exit;
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}
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if (($split_node || $split_chapter) && $monolithic) {
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warn "Can't use -monolithic with -split, -monolithic ignored.\n";
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$monolithic = 0;
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}
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if ($expandinfo) {
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$to_skip{'ifinfo'}++;
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$to_skip{'end ifinfo'}++;
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} else {
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$to_skip{'iftex'}++;
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$to_skip{'end iftex'}++;
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}
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$invisible_mark = '<IMG SRC="invisible.xbm">' if $invisible_mark eq 'xbm';
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die $usage unless @ARGV == 1;
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$docu = shift(@ARGV);
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if ($docu =~ /.*\//) {
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chop($docu_dir = $&);
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$docu_name = $';
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} else {
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$docu_dir = '.';
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$docu_name = $docu;
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}
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unshift(@include_dirs, $docu_dir);
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$docu_name =~ s/\.te?x(i|info)?$//; # basename of the document
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$docu_doc = "$docu_name.html"; # document's contents
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if ($monolithic) {
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$docu_toc = $docu_foot = $docu_doc;
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} else {
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$docu_toc = "${docu_name}_toc.html"; # document's table of contents
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$docu_foot = "${docu_name}_foot.html"; # document's footnotes
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}
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#
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# variables
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#
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$value{'html'} = 1; # predefine html (the output format)
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$value{'texi2html'} = '1.52'; # predefine texi2html (the translator)
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# _foo: internal to track @foo
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foreach ('_author', '_title', '_subtitle',
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'_settitle', '_setfilename') {
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$value{$_} = ''; # prevent -w warnings
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}
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%node2sec = (); # node to section name
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%node2href = (); # node to HREF
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%bib2href = (); # bibliography reference to HREF
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%gloss2href = (); # glossary term to HREF
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@sections = (); # list of sections
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%tag2pro = (); # protected sections
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#
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# initial indexes
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#
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$bib_num = 0;
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$foot_num = 0;
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$gloss_num = 0;
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$idx_num = 0;
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$sec_num = 0;
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$doc_num = 0;
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$html_num = 0;
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#
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# can I use ISO8879 characters? (HTML+)
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#
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if ($use_iso) {
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$things_map{'bullet'} = "•";
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$things_map{'copyright'} = "©";
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$things_map{'dots'} = "…";
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$things_map{'equiv'} = "≡";
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$things_map{'expansion'} = "→";
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$things_map{'point'} = "∗";
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$things_map{'result'} = "⇒";
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}
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#
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# read texi2html extensions (if any)
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#
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$extensions = 'texi2html.ext'; # extensions in working directory
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if (-f $extensions) {
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print "# reading extensions from $extensions\n" if $verbose;
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require($extensions);
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}
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($progdir = $0) =~ s/[^\/]+$//;
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if ($progdir && ($progdir ne './')) {
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$extensions = "${progdir}texi2html.ext"; # extensions in texi2html directory
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if (-f $extensions) {
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print "# reading extensions from $extensions\n" if $verbose;
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require($extensions);
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}
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}
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print "# reading from $docu\n" if $verbose;
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#+++############################################################################
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# #
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# Pass 1: read source, handle command, variable, simple substitution #
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# #
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#---############################################################################
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@lines = (); # whole document
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@toc_lines = (); # table of contents
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$toplevel = 0; # top level seen in hierarchy
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$curlevel = 0; # current level in TOC
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$node = ''; # current node name
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$in_table = 0; # am I inside a table
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$table_type = ''; # type of table ('', 'f', 'v', 'multi')
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@tables = (); # nested table support
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$in_bibliography = 0; # am I inside a bibliography
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$in_glossary = 0; # am I inside a glossary
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$in_top = 0; # am I inside the top node
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$in_pre = 0; # am I inside a preformatted section
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$in_list = 0; # am I inside a list
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$in_html = 0; # am I inside an HTML section
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$first_line = 1; # is it the first line
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$dont_html = 0; # don't protect HTML on this line
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$split_num = 0; # split index
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$deferred_ref = ''; # deferred reference for indexes
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@html_stack = (); # HTML elements stack
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$html_element = ''; # current HTML element
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&html_reset;
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# build code for simple substitutions
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# the maps used (%simple_map and %things_map) MUST be aware of this
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# watch out for regexps, / and escaped characters!
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$subst_code = '';
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foreach (keys(%simple_map)) {
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($re = $_) =~ s/(\W)/\\$1/g; # protect regexp chars
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$subst_code .= "s/\\\@$re/$simple_map{$_}/g;\n";
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}
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foreach (keys(%things_map)) {
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$subst_code .= "s/\\\@$_\\{\\}/$things_map{$_}/g;\n";
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}
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if ($use_acc) {
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# accentuated characters
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foreach (keys(%accent_map)) {
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if ($_ eq "`") {
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$subst_code .= "s/$;3";
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} elsif ($_ eq "'") {
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$subst_code .= "s/$;4";
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} else {
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$subst_code .= "s/\\\@\\$_";
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}
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$subst_code .= "([aeiou])/&\${1}$accent_map{$_};/gi;\n";
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}
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}
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eval("sub simple_substitutions { $subst_code }");
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&init_input;
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while ($_ = &next_line) {
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#
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# remove \input on the first lines only
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#
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if ($first_line) {
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next if /^\\input/;
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$first_line = 0;
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}
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#
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# parse texinfo tags
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#
|
|
$tag = '';
|
|
$end_tag = '';
|
|
if (/^\@end\s+(\w+)\b/) {
|
|
$end_tag = $1;
|
|
} elsif (/^\@(\w+)\b/) {
|
|
$tag = $1;
|
|
}
|
|
#
|
|
# handle @ifhtml / @end ifhtml
|
|
#
|
|
if ($in_html) {
|
|
if ($end_tag eq 'ifhtml') {
|
|
$in_html = 0;
|
|
} else {
|
|
$tag2pro{$in_html} .= $_;
|
|
}
|
|
next;
|
|
} elsif ($tag eq 'ifhtml') {
|
|
$in_html = $PROTECTTAG . ++$html_num;
|
|
push(@lines, $in_html);
|
|
next;
|
|
}
|
|
#
|
|
# try to skip the line
|
|
#
|
|
if ($end_tag) {
|
|
next if $to_skip{"end $end_tag"};
|
|
} elsif ($tag) {
|
|
next if $to_skip{$tag};
|
|
last if $tag eq 'bye';
|
|
}
|
|
if ($in_top) {
|
|
# parsing the top node
|
|
if ($tag eq 'node' || $tag eq 'include' || $sec2level{$tag}) {
|
|
# no more in top
|
|
$in_top = 0;
|
|
} else {
|
|
# skip it
|
|
next;
|
|
}
|
|
}
|
|
#
|
|
# try to remove inlined comments
|
|
# syntax from tex-mode.el comment-start-skip
|
|
#
|
|
s/((^|[^\@])(\@\@)*)\@c(omment)? .*/$1/;
|
|
# non-@ substitutions cf. texinfmt.el
|
|
unless ($in_pre) {
|
|
s/``/\"/g;
|
|
s/''/\"/g;
|
|
s/([\w ])---([\w ])/$1--$2/g;
|
|
}
|
|
#
|
|
# analyze the tag
|
|
#
|
|
if ($tag) {
|
|
# skip lines
|
|
&skip_until($tag), next if $tag eq 'ignore';
|
|
if ($expandinfo) {
|
|
&skip_until($tag), next if $tag eq 'iftex';
|
|
} else {
|
|
&skip_until($tag), next if $tag eq 'ifinfo';
|
|
}
|
|
&skip_until($tag), next if $tag eq 'tex';
|
|
# handle special tables
|
|
if ($tag =~ /^(|f|v|multi)table$/) {
|
|
$table_type = $1;
|
|
$tag = 'table';
|
|
}
|
|
# special cases
|
|
if ($tag eq 'top' || ($tag eq 'node' && /^\@node\s+top\s*,/i)) {
|
|
$in_top = 1;
|
|
@lines = (); # ignore all lines before top (title page garbage)
|
|
next;
|
|
} elsif ($tag eq 'node') {
|
|
$in_top = 0;
|
|
warn "$ERROR Bad node line: $_" unless $_ =~ /^\@node\s$NODESRE$/o;
|
|
$_ = &protect_html($_); # if node contains '&' for instance
|
|
s/^\@node\s+//;
|
|
($node) = split(/,/);
|
|
&normalise_node($node);
|
|
if ($split_node) {
|
|
&next_doc;
|
|
push(@lines, $SPLITTAG) if $split_num++;
|
|
push(@sections, $node);
|
|
}
|
|
next;
|
|
} elsif ($tag eq 'include') {
|
|
if (/^\@include\s+($FILERE)\s*$/o) {
|
|
$file = $1;
|
|
unless (-e $file) {
|
|
foreach $dir (@include_dirs) {
|
|
$file = "$dir/$1";
|
|
last if -e $file;
|
|
}
|
|
}
|
|
if (-e $file) {
|
|
&open($file);
|
|
print "# including $file\n" if $verbose;
|
|
} else {
|
|
warn "$ERROR Can't find $file, skipping";
|
|
}
|
|
} else {
|
|
warn "$ERROR Bad include line: $_";
|
|
}
|
|
next;
|
|
} elsif ($tag eq 'ifclear') {
|
|
if (/^\@ifclear\s+($VARRE)\s*$/o) {
|
|
next unless defined($value{$1});
|
|
&skip_until($tag);
|
|
} else {
|
|
warn "$ERROR Bad ifclear line: $_";
|
|
}
|
|
next;
|
|
} elsif ($tag eq 'ifset') {
|
|
if (/^\@ifset\s+($VARRE)\s*$/o) {
|
|
next if defined($value{$1});
|
|
&skip_until($tag);
|
|
} else {
|
|
warn "$ERROR Bad ifset line: $_";
|
|
}
|
|
next;
|
|
} elsif ($tag eq 'menu') {
|
|
unless ($show_menu) {
|
|
&skip_until($tag);
|
|
next;
|
|
}
|
|
&html_push_if($tag);
|
|
push(@lines, &html_debug("\n", __LINE__));
|
|
} elsif ($format_map{$tag}) {
|
|
$in_pre = 1 if $format_map{$tag} eq 'PRE';
|
|
&html_push_if($format_map{$tag});
|
|
push(@lines, &html_debug("\n", __LINE__));
|
|
$in_list++ if $format_map{$tag} eq 'UL' || $format_map{$tag} eq 'OL' ;
|
|
push(@lines, &debug("<$format_map{$tag}>\n", __LINE__));
|
|
next;
|
|
} elsif ($tag eq 'table') {
|
|
if (/^\@(|f|v|multi)table\s+\@(\w+)/) {
|
|
$in_table = $2;
|
|
unshift(@tables, join($;, $table_type, $in_table));
|
|
if ($table_type eq "multi") {
|
|
push(@lines, &debug("<TABLE BORDER>\n", __LINE__));
|
|
&html_push_if('TABLE');
|
|
} else {
|
|
push(@lines, &debug("<DL COMPACT>\n", __LINE__));
|
|
&html_push_if('DL');
|
|
}
|
|
push(@lines, &html_debug("\n", __LINE__));
|
|
} else {
|
|
warn "$ERROR Bad table line: $_";
|
|
}
|
|
next;
|
|
} elsif ($tag eq 'synindex' || $tag eq 'syncodeindex') {
|
|
if (/^\@$tag\s+(\w)\w\s+(\w)\w\s*$/) {
|
|
eval("*${1}index = *${2}index");
|
|
} else {
|
|
warn "$ERROR Bad syn*index line: $_";
|
|
}
|
|
next;
|
|
} elsif ($tag eq 'sp') {
|
|
push(@lines, &debug("<P>\n", __LINE__));
|
|
next;
|
|
} elsif ($tag eq 'setref') {
|
|
&protect_html; # if setref contains '&' for instance
|
|
if (/^\@$tag\s*{($NODERE)}\s*$/) {
|
|
$setref = $1;
|
|
$setref =~ s/\s+/ /g; # normalize
|
|
$setref =~ s/ $//;
|
|
$node2sec{$setref} = $name;
|
|
$node2href{$setref} = "$docu_doc#$docid";
|
|
} else {
|
|
warn "$ERROR Bad setref line: $_";
|
|
}
|
|
next;
|
|
} elsif ($tag eq 'defindex' || $tag eq 'defcodeindex') {
|
|
if (/^\@$tag\s+(\w\w)\s*$/) {
|
|
$valid_index{$1} = 1;
|
|
} else {
|
|
warn "$ERROR Bad defindex line: $_";
|
|
}
|
|
next;
|
|
} elsif (defined($def_map{$tag})) {
|
|
if ($def_map{$tag}) {
|
|
s/^\@$tag\s+//;
|
|
$tag = $def_map{$tag};
|
|
$_ = "\@$tag $_";
|
|
$tag =~ s/\s.*//;
|
|
}
|
|
} elsif (defined($user_sub{$tag})) {
|
|
s/^\@$tag\s+//;
|
|
$sub = $user_sub{$tag};
|
|
print "# user $tag = $sub, arg: $_" if $debug & $DEBUG_USER;
|
|
if (defined(&$sub)) {
|
|
chop($_);
|
|
&$sub($_);
|
|
} else {
|
|
warn "$ERROR Bad user sub for $tag: $sub\n";
|
|
}
|
|
next;
|
|
}
|
|
if (defined($def_map{$tag})) {
|
|
s/^\@$tag\s+//;
|
|
if ($tag =~ /x$/) {
|
|
# extra definition line
|
|
$tag = $`;
|
|
$is_extra = 1;
|
|
} else {
|
|
$is_extra = 0;
|
|
}
|
|
while (/\{([^\{\}]*)\}/) {
|
|
# this is a {} construct
|
|
($before, $contents, $after) = ($`, $1, $');
|
|
# protect spaces
|
|
$contents =~ s/\s+/$;9/g;
|
|
# restore $_ protecting {}
|
|
$_ = "$before$;7$contents$;8$after";
|
|
}
|
|
@args = split(/\s+/, &protect_html($_));
|
|
foreach (@args) {
|
|
s/$;9/ /g; # unprotect spaces
|
|
s/$;7/\{/g; # ... {
|
|
s/$;8/\}/g; # ... }
|
|
}
|
|
$type = shift(@args);
|
|
$type =~ s/^\{(.*)\}$/$1/;
|
|
print "# def ($tag): {$type} ", join(', ', @args), "\n"
|
|
if $debug & $DEBUG_DEF;
|
|
$type .= ':'; # it's nicer like this
|
|
$name = shift(@args);
|
|
$name =~ s/^\{(.*)\}$/$1/;
|
|
if ($is_extra) {
|
|
$_ = &debug("<DT>", __LINE__);
|
|
} else {
|
|
$_ = &debug("<DL>\n<DT>", __LINE__);
|
|
}
|
|
if ($tag eq 'deffn' || $tag eq 'defvr' || $tag eq 'deftp') {
|
|
$_ .= "<U>$type</U> <B>$name</B>";
|
|
$_ .= " <I>@args</I>" if @args;
|
|
} elsif ($tag eq 'deftypefn' || $tag eq 'deftypevr'
|
|
|| $tag eq 'defcv' || $tag eq 'defop') {
|
|
$ftype = $name;
|
|
$name = shift(@args);
|
|
$name =~ s/^\{(.*)\}$/$1/;
|
|
$_ .= "<U>$type</U> $ftype <B>$name</B>";
|
|
$_ .= " <I>@args</I>" if @args;
|
|
} else {
|
|
warn "$ERROR Unknown definition type: $tag\n";
|
|
$_ .= "<U>$type</U> <B>$name</B>";
|
|
$_ .= " <I>@args</I>" if @args;
|
|
}
|
|
$_ .= &debug("\n<DD>", __LINE__);
|
|
$name = &unprotect_html($name);
|
|
if ($tag eq 'deffn' || $tag eq 'deftypefn') {
|
|
unshift(@input_spool, "\@findex $name\n");
|
|
} elsif ($tag eq 'defop') {
|
|
unshift(@input_spool, "\@findex $name on $ftype\n");
|
|
} elsif ($tag eq 'defvr' || $tag eq 'deftypevr' || $tag eq 'defcv') {
|
|
unshift(@input_spool, "\@vindex $name\n");
|
|
} else {
|
|
unshift(@input_spool, "\@tindex $name\n");
|
|
}
|
|
$dont_html = 1;
|
|
}
|
|
} elsif ($end_tag) {
|
|
if ($format_map{$end_tag}) {
|
|
$in_pre = 0 if $format_map{$end_tag} eq 'PRE';
|
|
$in_list-- if $format_map{$end_tag} eq 'UL' || $format_map{$end_tag} eq 'OL' ;
|
|
&html_pop_if('LI', 'P');
|
|
&html_pop_if();
|
|
push(@lines, &debug("</$format_map{$end_tag}>\n", __LINE__));
|
|
push(@lines, &html_debug("\n", __LINE__));
|
|
} elsif ($end_tag =~ /^(|f|v|multi)table$/) {
|
|
unless (@tables) {
|
|
warn "$ERROR \@end $end_tag without \@*table\n";
|
|
next;
|
|
}
|
|
($table_type, $in_table) = split($;, shift(@tables));
|
|
unless ($1 eq $table_type) {
|
|
warn "$ERROR \@end $end_tag without matching \@$end_tag\n";
|
|
next;
|
|
}
|
|
if ($table_type eq "multi") {
|
|
push(@lines, "</TR></TABLE>\n");
|
|
&html_pop_if('TR');
|
|
} else {
|
|
push(@lines, "</DL>\n");
|
|
&html_pop_if('DD');
|
|
}
|
|
&html_pop_if();
|
|
if (@tables) {
|
|
($table_type, $in_table) = split($;, $tables[0]);
|
|
} else {
|
|
$in_table = 0;
|
|
}
|
|
} elsif (defined($def_map{$end_tag})) {
|
|
push(@lines, &debug("</DL>\n", __LINE__));
|
|
} elsif ($end_tag eq 'menu') {
|
|
&html_pop_if();
|
|
push(@lines, $_); # must keep it for pass 2
|
|
}
|
|
next;
|
|
}
|
|
#
|
|
# misc things
|
|
#
|
|
# protect texi and HTML things
|
|
&protect_texi;
|
|
$_ = &protect_html($_) unless $dont_html;
|
|
$dont_html = 0;
|
|
# substitution (unsupported things)
|
|
s/^\@center\s+//g;
|
|
s/^\@exdent\s+//g;
|
|
s/\@noindent\s+//g;
|
|
s/\@refill\s+//g;
|
|
# other substitutions
|
|
&simple_substitutions;
|
|
s/\@value{($VARRE)}/$value{$1}/eg;
|
|
s/\@footnote\{/\@footnote$docu_doc\{/g; # mark footnotes, cf. pass 4
|
|
#
|
|
# analyze the tag again
|
|
#
|
|
if ($tag) {
|
|
if (defined($sec2level{$tag}) && $sec2level{$tag} > 0) {
|
|
if (/^\@$tag\s+(.+)$/) {
|
|
$name = $1;
|
|
$name =~ s/\s+$//;
|
|
$level = $sec2level{$tag};
|
|
$name = &update_sec_num($tag, $level) . " $name"
|
|
if $number_sections && $tag !~ /^unnumbered/;
|
|
if ($tag =~ /heading$/) {
|
|
push(@lines, &html_debug("\n", __LINE__));
|
|
if ($html_element ne 'body') {
|
|
# We are in a nice pickle here. We are trying to get a H? heading
|
|
# even though we are not in the body level. So, we convert it to a
|
|
# nice, bold, line by itself.
|
|
$_ = &debug("\n\n<P><STRONG>$name</STRONG></P>\n\n", __LINE__);
|
|
} else {
|
|
$_ = &debug("<H$level>$name</H$level>\n", __LINE__);
|
|
&html_push_if('body');
|
|
}
|
|
print "# heading, section $name, level $level\n"
|
|
if $debug & $DEBUG_TOC;
|
|
} else {
|
|
if ($split_chapter) {
|
|
unless ($toplevel) {
|
|
# first time we see a "section"
|
|
unless ($level == 1) {
|
|
warn "$ERROR The first section found is not of level 1: $_";
|
|
warn "$ERROR I'll split on sections of level $level...\n";
|
|
}
|
|
$toplevel = $level;
|
|
}
|
|
if ($level == $toplevel) {
|
|
&next_doc;
|
|
push(@lines, $SPLITTAG) if $split_num++;
|
|
push(@sections, $name);
|
|
}
|
|
}
|
|
$sec_num++;
|
|
$docid = "SEC$sec_num";
|
|
$tocid = "TOC$sec_num";
|
|
# check biblio and glossary
|
|
$in_bibliography = ($name =~ /^([A-Z]|\d+)?(\.\d+)*\s*bibliography$/i);
|
|
$in_glossary = ($name =~ /^([A-Z]|\d+)?(\.\d+)*\s*glossary$/i);
|
|
# check node
|
|
if ($node) {
|
|
if ($node2sec{$node}) {
|
|
warn "$ERROR Duplicate node found: $node\n";
|
|
} else {
|
|
$node2sec{$node} = $name;
|
|
$node2href{$node} = "$docu_doc#$docid";
|
|
print "# node $node, section $name, level $level\n"
|
|
if $debug & $DEBUG_TOC;
|
|
}
|
|
$node = '';
|
|
} else {
|
|
print "# no node, section $name, level $level\n"
|
|
if $debug & $DEBUG_TOC;
|
|
}
|
|
# update TOC
|
|
while ($level > $curlevel) {
|
|
$curlevel++;
|
|
push(@toc_lines, "<UL>\n");
|
|
}
|
|
while ($level < $curlevel) {
|
|
$curlevel--;
|
|
push(@toc_lines, "</UL>\n");
|
|
}
|
|
$_ = "<LI>" . &anchor($tocid, "$docu_doc#$docid", $name, 1);
|
|
push(@toc_lines, &substitute_style($_));
|
|
# update DOC
|
|
push(@lines, &html_debug("\n", __LINE__));
|
|
&html_reset;
|
|
$_ = "<H$level>".&anchor($docid, "$docu_toc#$tocid", $name)."</H$level>\n";
|
|
$_ = &debug($_, __LINE__);
|
|
push(@lines, &html_debug("\n", __LINE__));
|
|
}
|
|
# update DOC
|
|
foreach $line (split(/\n+/, $_)) {
|
|
push(@lines, "$line\n");
|
|
}
|
|
next;
|
|
} else {
|
|
warn "$ERROR Bad section line: $_";
|
|
}
|
|
} else {
|
|
# track variables
|
|
$value{$1} = $2, next if /^\@set\s+($VARRE)\s+(.*)$/o;
|
|
delete $value{$1}, next if /^\@clear\s+($VARRE)\s*$/o;
|
|
# store things
|
|
$value{'_setfilename'} = $1, next if /^\@setfilename\s+(.*)$/;
|
|
$value{'_settitle'} = $1, next if /^\@settitle\s+(.*)$/;
|
|
$value{'_author'} .= "$1\n", next if /^\@author\s+(.*)$/;
|
|
$value{'_subtitle'} .= "$1\n", next if /^\@subtitle\s+(.*)$/;
|
|
$value{'_title'} .= "$1\n", next if /^\@title\s+(.*)$/;
|
|
# index
|
|
if (/^\@(..?)index\s+/) {
|
|
unless ($valid_index{$1}) {
|
|
warn "$ERROR Undefined index command: $_";
|
|
next;
|
|
}
|
|
$id = 'IDX' . ++$idx_num;
|
|
$index = $1 . 'index';
|
|
$what = &substitute_style($');
|
|
$what =~ s/\s+$//;
|
|
print "# found $index for '$what' id $id\n"
|
|
if $debug & $DEBUG_INDEX;
|
|
eval(<<EOC);
|
|
if (defined(\$$index\{\$what\})) {
|
|
\$$index\{\$what\} .= "$;$docu_doc#$id";
|
|
} else {
|
|
\$$index\{\$what\} = "$docu_doc#$id";
|
|
}
|
|
EOC
|
|
#
|
|
# dirty hack to see if I can put an invisible anchor...
|
|
#
|
|
if ($html_element eq 'P' ||
|
|
$html_element eq 'LI' ||
|
|
$html_element eq 'DT' ||
|
|
$html_element eq 'DD' ||
|
|
$html_element eq 'ADDRESS' ||
|
|
$html_element eq 'B' ||
|
|
$html_element eq 'BLOCKQUOTE' ||
|
|
$html_element eq 'PRE' ||
|
|
$html_element eq 'SAMP') {
|
|
push(@lines, &anchor($id, '', $invisible_mark, !$in_pre));
|
|
} elsif ($html_element eq 'body') {
|
|
push(@lines, &debug("<P>\n", __LINE__));
|
|
push(@lines, &anchor($id, '', $invisible_mark, !$in_pre));
|
|
&html_push('P');
|
|
} elsif ($html_element eq 'DL' ||
|
|
$html_element eq 'UL' ||
|
|
$html_element eq 'OL' ) {
|
|
$deferred_ref .= &anchor($id, '', $invisible_mark, !$in_pre) . " ";
|
|
}
|
|
next;
|
|
}
|
|
# list item
|
|
if (/^\@itemx?\s+/) {
|
|
$what = $';
|
|
$what =~ s/\s+$//;
|
|
if ($in_bibliography && $use_bibliography) {
|
|
if ($what =~ /^$BIBRE$/o) {
|
|
$id = 'BIB' . ++$bib_num;
|
|
$bib2href{$what} = "$docu_doc#$id";
|
|
print "# found bibliography for '$what' id $id\n"
|
|
if $debug & $DEBUG_BIB;
|
|
$what = &anchor($id, '', $what);
|
|
}
|
|
} elsif ($in_glossary && $use_glossary) {
|
|
$id = 'GLOSS' . ++$gloss_num;
|
|
$entry = $what;
|
|
$entry =~ tr/A-Z/a-z/ unless $entry =~ /^[A-Z\s]+$/;
|
|
$gloss2href{$entry} = "$docu_doc#$id";
|
|
print "# found glossary for '$entry' id $id\n"
|
|
if $debug & $DEBUG_GLOSS;
|
|
$what = &anchor($id, '', $what);
|
|
}
|
|
&html_pop_if('P');
|
|
if ($html_element eq 'DL' || $html_element eq 'DD') {
|
|
if ($things_map{$in_table} && !$what) {
|
|
# special case to allow @table @bullet for instance
|
|
push(@lines, &debug("<DT>$things_map{$in_table}\n", __LINE__));
|
|
} else {
|
|
push(@lines, &debug("<DT>\@$in_table\{$what\}\n", __LINE__));
|
|
}
|
|
push(@lines, "<DD>");
|
|
&html_push('DD') unless $html_element eq 'DD';
|
|
if ($table_type) { # add also an index
|
|
unshift(@input_spool, "\@${table_type}index $what\n");
|
|
}
|
|
} elsif ($html_element eq 'TABLE') {
|
|
push(@lines, &debug("<TR><TD>$what</TD>\n", __LINE__));
|
|
&html_push('TR');
|
|
} elsif ($html_element eq 'TR') {
|
|
push(@lines, &debug("</TR>\n", __LINE__));
|
|
push(@lines, &debug("<TR><TD>$what</TD>\n", __LINE__));
|
|
} else {
|
|
push(@lines, &debug("<LI>$what\n", __LINE__));
|
|
&html_push('LI') unless $html_element eq 'LI';
|
|
}
|
|
push(@lines, &html_debug("\n", __LINE__));
|
|
if ($deferred_ref) {
|
|
push(@lines, &debug("$deferred_ref\n", __LINE__));
|
|
$deferred_ref = '';
|
|
}
|
|
next;
|
|
} elsif (/^\@tab\s+(.*)$/) {
|
|
push(@lines, "<TD>$1</TD>\n");
|
|
next;
|
|
}
|
|
}
|
|
}
|
|
# paragraph separator
|
|
if ($_ eq "\n") {
|
|
next if $#lines >= 0 && $lines[$#lines] eq "\n";
|
|
if ($html_element eq 'P') {
|
|
push(@lines, "\n");
|
|
$_ = &debug("</P>\n", __LINE__);
|
|
&html_pop;
|
|
}
|
|
} elsif ($html_element eq 'body' || $html_element eq 'BLOCKQUOTE') {
|
|
push(@lines, "<P>\n");
|
|
&html_push('P');
|
|
$_ = &debug($_, __LINE__);
|
|
}
|
|
# otherwise
|
|
push(@lines, $_);
|
|
}
|
|
|
|
# finish TOC
|
|
$level = 0;
|
|
while ($level < $curlevel) {
|
|
$curlevel--;
|
|
push(@toc_lines, "</UL>\n");
|
|
}
|
|
|
|
print "# end of pass 1\n" if $verbose;
|
|
|
|
#+++############################################################################
|
|
# #
|
|
# Pass 2/3: handle style, menu, index, cross-reference #
|
|
# #
|
|
#---############################################################################
|
|
|
|
@lines2 = (); # whole document (2nd pass)
|
|
@lines3 = (); # whole document (3rd pass)
|
|
$in_menu = 0; # am I inside a menu
|
|
|
|
while (@lines) {
|
|
$_ = shift(@lines);
|
|
#
|
|
# special case (protected sections)
|
|
#
|
|
if (/^$PROTECTTAG/o) {
|
|
push(@lines2, $_);
|
|
next;
|
|
}
|
|
#
|
|
# menu
|
|
#
|
|
$in_menu = 1, push(@lines2, &debug("<UL>\n", __LINE__)), next if /^\@menu\b/;
|
|
$in_menu = 0, push(@lines2, &debug("</UL>\n", __LINE__)), next if /^\@end\s+menu\b/;
|
|
if ($in_menu) {
|
|
if (/^\*\s+($NODERE)::/o) {
|
|
$descr = $';
|
|
chop($descr);
|
|
&menu_entry($1, $1, $descr);
|
|
} elsif (/^\*\s+(.+):\s+([^\t,\.\n]+)[\t,\.\n]/) {
|
|
$descr = $';
|
|
chop($descr);
|
|
&menu_entry($1, $2, $descr);
|
|
} elsif (/^\*/) {
|
|
warn "$ERROR Bad menu line: $_";
|
|
} else { # description continued?
|
|
push(@lines2, $_);
|
|
}
|
|
next;
|
|
}
|
|
#
|
|
# printindex
|
|
#
|
|
if (/^\@printindex\s+(\w\w)\b/) {
|
|
local($index, *ary, @keys, $key, $letter, $last_letter, @refs);
|
|
if ($predefined_index{$1}) {
|
|
$index = $predefined_index{$1} . 'index';
|
|
} else {
|
|
$index = $1 . 'index';
|
|
}
|
|
eval("*ary = *$index");
|
|
@keys = keys(%ary);
|
|
foreach $key (@keys) {
|
|
$_ = $key;
|
|
1 while s/<(\w+)>\`(.*)\'<\/\1>/$2/; # remove HTML tags with quotes
|
|
1 while s/<(\w+)>(.*)<\/\1>/$2/; # remove HTML tags
|
|
$_ = &unprotect_html($_);
|
|
&unprotect_texi;
|
|
tr/A-Z/a-z/; # lowercase
|
|
$key2alpha{$key} = $_;
|
|
print "# index $key sorted as $_\n"
|
|
if $key ne $_ && $debug & $DEBUG_INDEX;
|
|
}
|
|
push(@lines2, "Jump to:\n");
|
|
$last_letter = undef;
|
|
foreach $key (sort byalpha @keys) {
|
|
$letter = substr($key2alpha{$key}, 0, 1);
|
|
$letter = substr($key2alpha{$key}, 0, 2) if $letter eq $;;
|
|
if (!defined($last_letter) || $letter ne $last_letter) {
|
|
push(@lines2, "-\n") if defined($last_letter);
|
|
push(@lines2, "<A HREF=\"#$index\_$letter\">" . &protect_html($letter) . "</A>\n");
|
|
$last_letter = $letter;
|
|
}
|
|
}
|
|
push(@lines2, "<P>\n");
|
|
$last_letter = undef;
|
|
foreach $key (sort byalpha @keys) {
|
|
$letter = substr($key2alpha{$key}, 0, 1);
|
|
$letter = substr($key2alpha{$key}, 0, 2) if $letter eq $;;
|
|
if (!defined($last_letter) || $letter ne $last_letter) {
|
|
push(@lines2, "</DIR>\n") if defined($last_letter);
|
|
push(@lines2, "<H2><A NAME=\"$index\_$letter\">" . &protect_html($letter) . "</A></H2>\n");
|
|
push(@lines2, "<DIR>\n");
|
|
$last_letter = $letter;
|
|
}
|
|
@refs = ();
|
|
foreach (split(/$;/, $ary{$key})) {
|
|
push(@refs, &anchor('', $_, $key, 0));
|
|
}
|
|
push(@lines2, "<LI>" . join(", ", @refs) . "\n");
|
|
}
|
|
push(@lines2, "</DIR>\n") if defined($last_letter);
|
|
next;
|
|
}
|
|
#
|
|
# simple style substitutions
|
|
#
|
|
$_ = &substitute_style($_);
|
|
#
|
|
# xref
|
|
#
|
|
while (/\@(x|px|info|)ref{($XREFRE)(}?)/o) {
|
|
# note: Texinfo may accept other characters
|
|
($type, $nodes, $full) = ($1, $2, $3);
|
|
($before, $after) = ($`, $');
|
|
if (! $full && $after) {
|
|
warn "$ERROR Bad xref (no ending } on line): $_";
|
|
$_ = "$before$;0${type}ref\{$nodes$after";
|
|
next; # while xref
|
|
}
|
|
if ($type eq 'x') {
|
|
$type = 'See ';
|
|
} elsif ($type eq 'px') {
|
|
$type = 'see ';
|
|
} elsif ($type eq 'info') {
|
|
$type = 'See Info';
|
|
} else {
|
|
$type = '';
|
|
}
|
|
unless ($full) {
|
|
$next = shift(@lines);
|
|
$next = &substitute_style($next);
|
|
chop($nodes); # remove final newline
|
|
if ($next =~ /\}/) { # split on 2 lines
|
|
$nodes .= " $`";
|
|
$after = $';
|
|
} else {
|
|
$nodes .= " $next";
|
|
$next = shift(@lines);
|
|
$next = &substitute_style($next);
|
|
chop($nodes);
|
|
if ($next =~ /\}/) { # split on 3 lines
|
|
$nodes .= " $`";
|
|
$after = $';
|
|
} else {
|
|
warn "$ERROR Bad xref (no ending }): $_";
|
|
$_ = "$before$;0xref\{$nodes$after";
|
|
unshift(@lines, $next);
|
|
next; # while xref
|
|
}
|
|
}
|
|
}
|
|
$nodes =~ s/\s+/ /g; # remove useless spaces
|
|
@args = split(/\s*,\s*/, $nodes);
|
|
$node = $args[0]; # the node is always the first arg
|
|
&normalise_node($node);
|
|
$sec = $node2sec{$node};
|
|
if (@args == 5) { # reference to another manual
|
|
$sec = $args[2] || $node;
|
|
$man = $args[4] || $args[3];
|
|
$_ = "${before}${type}section `$sec' in \@cite{$man}$after";
|
|
} elsif ($type =~ /Info/) { # inforef
|
|
warn "$ERROR Wrong number of arguments: $_" unless @args == 3;
|
|
($nn, $_, $in) = @args;
|
|
$_ = "${before}${type} file `$in', node `$nn'$after";
|
|
} elsif ($sec) {
|
|
$href = $node2href{$node};
|
|
$_ = "${before}${type}section " . &anchor('', $href, $sec) . $after;
|
|
} else {
|
|
warn "$ERROR Undefined node ($node): $_";
|
|
$_ = "$before$;0xref{$nodes}$after";
|
|
}
|
|
}
|
|
#
|
|
# try to guess bibliography references or glossary terms
|
|
#
|
|
unless (/^<H\d><A NAME=\"SEC\d/) {
|
|
if ($use_bibliography) {
|
|
$done = '';
|
|
while (/$BIBRE/o) {
|
|
($pre, $what, $post) = ($`, $&, $');
|
|
$href = $bib2href{$what};
|
|
if (defined($href) && $post !~ /^[^<]*<\/A>/) {
|
|
$done .= $pre . &anchor('', $href, $what);
|
|
} else {
|
|
$done .= "$pre$what";
|
|
}
|
|
$_ = $post;
|
|
}
|
|
$_ = $done . $_;
|
|
}
|
|
if ($use_glossary) {
|
|
$done = '';
|
|
while (/\b\w+\b/) {
|
|
($pre, $what, $post) = ($`, $&, $');
|
|
$entry = $what;
|
|
$entry =~ tr/A-Z/a-z/ unless $entry =~ /^[A-Z\s]+$/;
|
|
$href = $gloss2href{$entry};
|
|
if (defined($href) && $post !~ /^[^<]*<\/A>/) {
|
|
$done .= $pre . &anchor('', $href, $what);
|
|
} else {
|
|
$done .= "$pre$what";
|
|
}
|
|
$_ = $post;
|
|
}
|
|
$_ = $done . $_;
|
|
}
|
|
}
|
|
# otherwise
|
|
push(@lines2, $_);
|
|
}
|
|
print "# end of pass 2\n" if $verbose;
|
|
|
|
#
|
|
# split style substitutions
|
|
#
|
|
while (@lines2) {
|
|
$_ = shift(@lines2);
|
|
#
|
|
# special case (protected sections)
|
|
#
|
|
if (/^$PROTECTTAG/o) {
|
|
push(@lines3, $_);
|
|
next;
|
|
}
|
|
#
|
|
# split style substitutions
|
|
#
|
|
$old = '';
|
|
while ($old ne $_) {
|
|
$old = $_;
|
|
if (/\@(\w+)\{/) {
|
|
($before, $style, $after) = ($`, $1, $');
|
|
if (defined($style_map{$style})) {
|
|
$_ = $after;
|
|
$text = '';
|
|
$after = '';
|
|
$failed = 1;
|
|
while (@lines2) {
|
|
if (/\}/) {
|
|
$text .= $`;
|
|
$after = $';
|
|
$failed = 0;
|
|
last;
|
|
} else {
|
|
$text .= $_;
|
|
$_ = shift(@lines2);
|
|
}
|
|
}
|
|
if ($failed) {
|
|
die "* Bad syntax (\@$style) after: $before\n";
|
|
} else {
|
|
$text = &apply_style($style, $text);
|
|
$_ = "$before$text$after";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
# otherwise
|
|
push(@lines3, $_);
|
|
}
|
|
print "# end of pass 3\n" if $verbose;
|
|
|
|
#+++############################################################################
|
|
# #
|
|
# Pass 4: foot notes, final cleanup #
|
|
# #
|
|
#---############################################################################
|
|
|
|
@foot_lines = (); # footnotes
|
|
@doc_lines = (); # final document
|
|
$end_of_para = 0; # true if last line is <P>
|
|
|
|
while (@lines3) {
|
|
$_ = shift(@lines3);
|
|
#
|
|
# special case (protected sections)
|
|
#
|
|
if (/^$PROTECTTAG/o) {
|
|
push(@doc_lines, $_);
|
|
$end_of_para = 0;
|
|
next;
|
|
}
|
|
#
|
|
# footnotes
|
|
#
|
|
while (/\@footnote([^\{\s]+)\{/) {
|
|
($before, $d, $after) = ($`, $1, $');
|
|
$_ = $after;
|
|
$text = '';
|
|
$after = '';
|
|
$failed = 1;
|
|
while (@lines3) {
|
|
if (/\}/) {
|
|
$text .= $`;
|
|
$after = $';
|
|
$failed = 0;
|
|
last;
|
|
} else {
|
|
$text .= $_;
|
|
$_ = shift(@lines3);
|
|
}
|
|
}
|
|
if ($failed) {
|
|
die "* Bad syntax (\@footnote) after: $before\n";
|
|
} else {
|
|
$foot_num++;
|
|
$docid = "DOCF$foot_num";
|
|
$footid = "FOOT$foot_num";
|
|
$foot = "($foot_num)";
|
|
push(@foot_lines, "<H3>" . &anchor($footid, "$d#$docid", $foot) . "</H3>\n");
|
|
$text = "<P>$text" unless $text =~ /^\s*<P>/;
|
|
push(@foot_lines, "$text\n");
|
|
$_ = $before . &anchor($docid, "$docu_foot#$footid", $foot) . $after;
|
|
}
|
|
}
|
|
#
|
|
# remove unnecessary <P>
|
|
#
|
|
if (/^\s*<P>\s*$/) {
|
|
next if $end_of_para++;
|
|
} else {
|
|
$end_of_para = 0;
|
|
}
|
|
# otherwise
|
|
push(@doc_lines, $_);
|
|
}
|
|
print "# end of pass 4\n" if $verbose;
|
|
|
|
#+++############################################################################
|
|
# #
|
|
# Pass 5: print things #
|
|
# #
|
|
#---############################################################################
|
|
|
|
$header = <<EOT;
|
|
<!-- This HTML file has been created by $THISPROG
|
|
from $docu on $TODAY -->
|
|
EOT
|
|
|
|
$full_title = $value{'_title'} || $value{'_settitle'} || "Untitled Document";
|
|
$title = $value{'_settitle'} || $full_title;
|
|
$_ = &substitute_style($full_title);
|
|
&unprotect_texi;
|
|
s/\n$//; # rmv last \n (if any)
|
|
$full_title = "<H1>" . join("</H1>\n<H1>", split(/\n/, $_)) . "</H1>\n";
|
|
|
|
#
|
|
# print ToC
|
|
#
|
|
if (!$monolithic && @toc_lines) {
|
|
if (open(FILE, "> $docu_toc")) {
|
|
print "# creating $docu_toc...\n" if $verbose;
|
|
&print_toplevel_header("$title - Table of Contents");
|
|
&print_ruler;
|
|
&print(*toc_lines, FILE);
|
|
&print_toplevel_footer;
|
|
close(FILE);
|
|
} else {
|
|
warn "$ERROR Can't write to $docu_toc: $!\n";
|
|
}
|
|
}
|
|
|
|
#
|
|
# print footnotes
|
|
#
|
|
if (!$monolithic && @foot_lines) {
|
|
if (open(FILE, "> $docu_foot")) {
|
|
print "# creating $docu_foot...\n" if $verbose;
|
|
&print_toplevel_header("$title - Footnotes");
|
|
&print_ruler;
|
|
&print(*foot_lines, FILE);
|
|
&print_toplevel_footer;
|
|
close(FILE);
|
|
} else {
|
|
warn "$ERROR Can't write to $docu_foot: $!\n";
|
|
}
|
|
}
|
|
|
|
#
|
|
# print document
|
|
#
|
|
if ($split_chapter || $split_node) { # split
|
|
$doc_num = 0;
|
|
$last_num = scalar(@sections);
|
|
$first_doc = &doc_name(1);
|
|
$last_doc = &doc_name($last_num);
|
|
while (@sections) {
|
|
$section = shift(@sections);
|
|
&next_doc;
|
|
if (open(FILE, "> $docu_doc")) {
|
|
print "# creating $docu_doc...\n" if $verbose;
|
|
&print_header("$title - $section");
|
|
$prev_doc = ($doc_num == 1 ? undef : &doc_name($doc_num - 1));
|
|
$next_doc = ($doc_num == $last_num ? undef : &doc_name($doc_num + 1));
|
|
$navigation = "Go to the ";
|
|
$navigation .= ($prev_doc ? &anchor('', $first_doc, "first") : "first");
|
|
$navigation .= ", ";
|
|
$navigation .= ($prev_doc ? &anchor('', $prev_doc, "previous") : "previous");
|
|
$navigation .= ", ";
|
|
$navigation .= ($next_doc ? &anchor('', $next_doc, "next") : "next");
|
|
$navigation .= ", ";
|
|
$navigation .= ($next_doc ? &anchor('', $last_doc, "last") : "last");
|
|
$navigation .= " section, " . &anchor('', $docu_toc, "table of contents") . ".\n";
|
|
print FILE $navigation;
|
|
&print_ruler;
|
|
# find corresponding lines
|
|
@tmp_lines = ();
|
|
while (@doc_lines) {
|
|
$_ = shift(@doc_lines);
|
|
last if ($_ eq $SPLITTAG);
|
|
push(@tmp_lines, $_);
|
|
}
|
|
&print(*tmp_lines, FILE);
|
|
&print_ruler;
|
|
print FILE $navigation;
|
|
&print_footer;
|
|
close(FILE);
|
|
} else {
|
|
warn "$ERROR Can't write to $docu_doc: $!\n";
|
|
}
|
|
}
|
|
} else { # not split
|
|
if (open(FILE, "> $docu_doc")) {
|
|
print "# creating $docu_doc...\n" if $verbose;
|
|
if ($monolithic || !@toc_lines) {
|
|
&print_toplevel_header($title);
|
|
} else {
|
|
&print_header($title);
|
|
print FILE $full_title;
|
|
}
|
|
if ($monolithic && @toc_lines) {
|
|
&print_ruler;
|
|
print FILE "<H1>Table of Contents</H1>\n";
|
|
&print(*toc_lines, FILE);
|
|
}
|
|
&print_ruler;
|
|
&print(*doc_lines, FILE);
|
|
if ($monolithic && @foot_lines) {
|
|
&print_ruler;
|
|
print FILE "<H1>Footnotes</H1>\n";
|
|
&print(*foot_lines, FILE);
|
|
}
|
|
if ($monolithic || !@toc_lines) {
|
|
&print_toplevel_footer;
|
|
} else {
|
|
&print_footer;
|
|
}
|
|
close(FILE);
|
|
} else {
|
|
warn "$ERROR Can't write to $docu_doc: $!\n";
|
|
}
|
|
}
|
|
|
|
print "# that's all folks\n" if $verbose;
|
|
|
|
#+++############################################################################
|
|
# #
|
|
# Low level functions #
|
|
# #
|
|
#---############################################################################
|
|
|
|
sub update_sec_num {
|
|
local($name, $level) = @_;
|
|
|
|
$level--; # here we start at 0
|
|
if ($name =~ /^appendix/) {
|
|
# appendix style
|
|
if (defined(@appendix_sec_num)) {
|
|
&incr_sec_num($level, @appendix_sec_num);
|
|
} else {
|
|
@appendix_sec_num = ('A', 0, 0, 0);
|
|
}
|
|
return(join('.', @appendix_sec_num[0..$level]));
|
|
} else {
|
|
# normal style
|
|
if (defined(@normal_sec_num)) {
|
|
&incr_sec_num($level, @normal_sec_num);
|
|
} else {
|
|
@normal_sec_num = (1, 0, 0, 0);
|
|
}
|
|
return(join('.', @normal_sec_num[0..$level]));
|
|
}
|
|
}
|
|
|
|
sub incr_sec_num {
|
|
local($level, $l);
|
|
$level = shift(@_);
|
|
$_[$level]++;
|
|
foreach $l ($level+1 .. 3) {
|
|
$_[$l] = 0;
|
|
}
|
|
}
|
|
|
|
sub check {
|
|
local($_, %seen, %context, $before, $match, $after);
|
|
|
|
while (<>) {
|
|
if (/\@(\*|\.|\:|\@|\{|\})/) {
|
|
$seen{$&}++;
|
|
$context{$&} .= "> $_" if $verbose;
|
|
$_ = "$`XX$'";
|
|
redo;
|
|
}
|
|
if (/\@(\w+)/) {
|
|
($before, $match, $after) = ($`, $&, $');
|
|
if ($before =~ /\b[\w-]+$/ && $after =~ /^[\w-.]*\b/) { # e-mail address
|
|
$seen{'e-mail address'}++;
|
|
$context{'e-mail address'} .= "> $_" if $verbose;
|
|
} else {
|
|
$seen{$match}++;
|
|
$context{$match} .= "> $_" if $verbose;
|
|
}
|
|
$match =~ s/^\@/X/;
|
|
$_ = "$before$match$after";
|
|
redo;
|
|
}
|
|
}
|
|
|
|
foreach (sort(keys(%seen))) {
|
|
if ($verbose) {
|
|
print "$_\n";
|
|
print $context{$_};
|
|
} else {
|
|
print "$_ ($seen{$_})\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
sub open {
|
|
local($name) = @_;
|
|
|
|
++$fh_name;
|
|
if (open($fh_name, $name)) {
|
|
unshift(@fhs, $fh_name);
|
|
} else {
|
|
warn "$ERROR Can't read file $name: $!\n";
|
|
}
|
|
}
|
|
|
|
sub init_input {
|
|
@fhs = (); # hold the file handles to read
|
|
@input_spool = (); # spooled lines to read
|
|
$fh_name = 'FH000';
|
|
&open($docu);
|
|
}
|
|
|
|
sub next_line {
|
|
local($fh, $line);
|
|
|
|
if (@input_spool) {
|
|
$line = shift(@input_spool);
|
|
return($line);
|
|
}
|
|
while (@fhs) {
|
|
$fh = $fhs[0];
|
|
$line = <$fh>;
|
|
return($line) if $line;
|
|
close($fh);
|
|
shift(@fhs);
|
|
}
|
|
return(undef);
|
|
}
|
|
|
|
# used in pass 1, use &next_line
|
|
sub skip_until {
|
|
local($tag) = @_;
|
|
local($_);
|
|
|
|
while ($_ = &next_line) {
|
|
return if /^\@end\s+$tag\s*$/;
|
|
}
|
|
die "* Failed to find '$tag' after: " . $lines[$#lines];
|
|
}
|
|
|
|
#
|
|
# HTML stacking to have a better HTML output
|
|
#
|
|
|
|
sub html_reset {
|
|
@html_stack = ('html');
|
|
$html_element = 'body';
|
|
}
|
|
|
|
sub html_push {
|
|
local($what) = @_;
|
|
push(@html_stack, $html_element);
|
|
$html_element = $what;
|
|
}
|
|
|
|
sub html_push_if {
|
|
local($what) = @_;
|
|
push(@html_stack, $html_element)
|
|
if ($html_element && $html_element ne 'P');
|
|
$html_element = $what;
|
|
}
|
|
|
|
sub html_pop {
|
|
$html_element = pop(@html_stack);
|
|
}
|
|
|
|
sub html_pop_if {
|
|
local($elt);
|
|
|
|
if (@_) {
|
|
foreach $elt (@_) {
|
|
if ($elt eq $html_element) {
|
|
$html_element = pop(@html_stack) if @html_stack;
|
|
last;
|
|
}
|
|
}
|
|
} else {
|
|
$html_element = pop(@html_stack) if @html_stack;
|
|
}
|
|
}
|
|
|
|
sub html_debug {
|
|
local($what, $line) = @_;
|
|
return("<!-- $line @html_stack, $html_element -->$what")
|
|
if $debug & $DEBUG_HTML;
|
|
return($what);
|
|
}
|
|
|
|
# to debug the output...
|
|
sub debug {
|
|
local($what, $line) = @_;
|
|
return("<!-- $line -->$what")
|
|
if $debug & $DEBUG_HTML;
|
|
return($what);
|
|
}
|
|
|
|
sub normalise_node {
|
|
$_[0] =~ s/\s+/ /g;
|
|
$_[0] =~ s/ $//;
|
|
$_[0] =~ s/^ //;
|
|
}
|
|
|
|
sub menu_entry {
|
|
local($entry, $node, $descr) = @_;
|
|
local($href);
|
|
|
|
&normalise_node($node);
|
|
$href = $node2href{$node};
|
|
if ($href) {
|
|
$descr =~ s/^\s+//;
|
|
$descr = ": $descr" if $descr;
|
|
push(@lines2, "<LI>" . &anchor('', $href, $entry) . "$descr\n");
|
|
} else {
|
|
warn "$ERROR Undefined node ($node): $_";
|
|
}
|
|
}
|
|
|
|
sub do_ctrl { "^$_[0]" }
|
|
|
|
sub do_email {
|
|
local($addr, $text) = split(/,\s*/, $_[0]);
|
|
|
|
$text = $addr unless $text;
|
|
&anchor('', "mailto:$addr", $text);
|
|
}
|
|
|
|
sub do_sc { "\U$_[0]\E" }
|
|
|
|
sub do_uref {
|
|
local($url, $text) = split(/,\s*/, $_[0]);
|
|
|
|
$text = $url unless $text;
|
|
&anchor('', $url, $text);
|
|
}
|
|
|
|
sub do_url { &anchor('', $_[0], $_[0]) }
|
|
|
|
sub apply_style {
|
|
local($texi_style, $text) = @_;
|
|
local($style);
|
|
|
|
$style = $style_map{$texi_style};
|
|
if (defined($style)) { # known style
|
|
if ($style =~ /^\"/) { # add quotes
|
|
$style = $';
|
|
$text = "\`$text\'";
|
|
}
|
|
if ($style =~ /^\&/) { # custom
|
|
$style = $';
|
|
$text = &$style($text);
|
|
} elsif ($style) { # good style
|
|
$text = "<$style>$text</$style>";
|
|
} else { # no style
|
|
}
|
|
} else { # unknown style
|
|
$text = undef;
|
|
}
|
|
return($text);
|
|
}
|
|
|
|
# remove Texinfo styles
|
|
sub remove_style {
|
|
local($_) = @_;
|
|
s/\@\w+{([^\{\}]+)}/$1/g;
|
|
return($_);
|
|
}
|
|
|
|
sub substitute_style {
|
|
local($_) = @_;
|
|
local($changed, $done, $style, $text);
|
|
|
|
$changed = 1;
|
|
while ($changed) {
|
|
$changed = 0;
|
|
$done = '';
|
|
while (/\@(\w+){([^\{\}]+)}/) {
|
|
$text = &apply_style($1, $2);
|
|
if ($text) {
|
|
$_ = "$`$text$'";
|
|
$changed = 1;
|
|
} else {
|
|
$done .= "$`\@$1";
|
|
$_ = "{$2}$'";
|
|
}
|
|
}
|
|
$_ = $done . $_;
|
|
}
|
|
return($_);
|
|
}
|
|
|
|
sub anchor {
|
|
local($name, $href, $text, $newline) = @_;
|
|
local($result);
|
|
|
|
$result = "<A";
|
|
$result .= " NAME=\"$name\"" if $name;
|
|
$result .= " HREF=\"$href\"" if $href;
|
|
$result .= ">$text</A>";
|
|
$result .= "\n" if $newline;
|
|
return($result);
|
|
}
|
|
|
|
sub pretty_date {
|
|
local(@MoY, $sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst);
|
|
|
|
@MoY = ('January', 'Febuary', 'March', 'April', 'May', 'June',
|
|
'July', 'August', 'September', 'October', 'November', 'December');
|
|
($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = localtime(time);
|
|
$year += ($year < 70) ? 2000 : 1900;
|
|
return("$mday $MoY[$mon] $year");
|
|
}
|
|
|
|
sub doc_name {
|
|
local($num) = @_;
|
|
|
|
return("${docu_name}_$num.html");
|
|
}
|
|
|
|
sub next_doc {
|
|
$docu_doc = &doc_name(++$doc_num);
|
|
}
|
|
|
|
sub print {
|
|
local(*lines, $fh) = @_;
|
|
local($_);
|
|
|
|
while (@lines) {
|
|
$_ = shift(@lines);
|
|
if (/^$PROTECTTAG/o) {
|
|
$_ = $tag2pro{$_};
|
|
} else {
|
|
&unprotect_texi;
|
|
}
|
|
print $fh $_;
|
|
}
|
|
}
|
|
|
|
sub print_ruler {
|
|
print FILE "<P><HR><P>\n";
|
|
}
|
|
|
|
sub print_header {
|
|
local($_);
|
|
|
|
# clean the title
|
|
$_ = &remove_style($_[0]);
|
|
&unprotect_texi;
|
|
# print the header
|
|
if ($doctype eq 'html2') {
|
|
print FILE $html2_doctype;
|
|
} elsif ($doctype) {
|
|
print FILE $doctype;
|
|
}
|
|
print FILE <<EOT;
|
|
<HTML>
|
|
<HEAD>
|
|
$header
|
|
<TITLE>$_</TITLE>
|
|
</HEAD>
|
|
<BODY>
|
|
EOT
|
|
}
|
|
|
|
sub print_toplevel_header {
|
|
local($_);
|
|
|
|
&print_header; # pass given arg...
|
|
print FILE $full_title;
|
|
if ($value{'_subtitle'}) {
|
|
$value{'_subtitle'} =~ s/\n+$//;
|
|
foreach (split(/\n/, $value{'_subtitle'})) {
|
|
$_ = &substitute_style($_);
|
|
&unprotect_texi;
|
|
print FILE "<H2>$_</H2>\n";
|
|
}
|
|
}
|
|
if ($value{'_author'}) {
|
|
$value{'_author'} =~ s/\n+$//;
|
|
foreach (split(/\n/, $value{'_author'})) {
|
|
$_ = &substitute_style($_);
|
|
&unprotect_texi;
|
|
s/[\w.-]+\@[\w.-]+/<A HREF="mailto:$&">$&<\/A>/g;
|
|
print FILE "<ADDRESS>$_</ADDRESS>\n";
|
|
}
|
|
}
|
|
print FILE "<P>\n";
|
|
}
|
|
|
|
sub print_footer {
|
|
print FILE <<EOT;
|
|
</BODY>
|
|
</HTML>
|
|
EOT
|
|
}
|
|
|
|
sub print_toplevel_footer {
|
|
&print_ruler;
|
|
print FILE <<EOT;
|
|
This document was generated on $TODAY using the
|
|
<A HREF=\"$HOMEPAGE\">texi2html</A>
|
|
translator version 1.52.</P>
|
|
EOT
|
|
&print_footer;
|
|
}
|
|
|
|
sub protect_texi {
|
|
# protect @ { } ` '
|
|
s/\@\@/$;0/go;
|
|
s/\@\{/$;1/go;
|
|
s/\@\}/$;2/go;
|
|
s/\@\`/$;3/go;
|
|
s/\@\'/$;4/go;
|
|
}
|
|
|
|
sub protect_html {
|
|
local($what) = @_;
|
|
# protect & < >
|
|
$what =~ s/\&/\&\#38;/g;
|
|
$what =~ s/\</\&\#60;/g;
|
|
$what =~ s/\>/\&\#62;/g;
|
|
# but recognize some HTML things
|
|
$what =~ s/\&\#60;\/A\&\#62;/<\/A>/g; # </A>
|
|
$what =~ s/\&\#60;A ([^\&]+)\&\#62;/<A $1>/g; # <A [^&]+>
|
|
$what =~ s/\&\#60;IMG ([^\&]+)\&\#62;/<IMG $1>/g; # <IMG [^&]+>
|
|
return($what);
|
|
}
|
|
|
|
sub unprotect_texi {
|
|
s/$;0/\@/go;
|
|
s/$;1/\{/go;
|
|
s/$;2/\}/go;
|
|
s/$;3/\`/go;
|
|
s/$;4/\'/go;
|
|
}
|
|
|
|
sub unprotect_html {
|
|
local($what) = @_;
|
|
$what =~ s/\&\#38;/\&/g;
|
|
$what =~ s/\&\#60;/\</g;
|
|
$what =~ s/\&\#62;/\>/g;
|
|
return($what);
|
|
}
|
|
|
|
sub byalpha {
|
|
$key2alpha{$a} cmp $key2alpha{$b};
|
|
}
|
|
|
|
##############################################################################
|
|
|
|
# These next few lines are legal in both Perl and nroff.
|
|
|
|
.00 ; # finish .ig
|
|
|
|
'di \" finish diversion--previous line must be blank
|
|
.nr nl 0-1 \" fake up transition to first page again
|
|
.nr % 0 \" start at page 1
|
|
'; __END__ ############# From here on it's a standard manual page ############
|
|
.TH TEXI2HTML 1 "01/05/98"
|
|
.AT 3
|
|
.SH NAME
|
|
texi2html \- a Texinfo to HTML converter
|
|
.SH SYNOPSIS
|
|
.B texi2html [options] file
|
|
.PP
|
|
.B texi2html -check [-verbose] files
|
|
.SH DESCRIPTION
|
|
.I Texi2html
|
|
converts the given Texinfo file to a set of HTML files. It tries to handle
|
|
most of the Texinfo commands. It creates hypertext links for cross-references,
|
|
footnotes...
|
|
.PP
|
|
It also tries to add links from a reference to its corresponding entry in the
|
|
bibliography (if any). It may also handle a glossary (see the
|
|
.B \-glossary
|
|
option).
|
|
.PP
|
|
.I Texi2html
|
|
creates several files depending on the contents of the Texinfo file and on
|
|
the chosen options (see FILES).
|
|
.PP
|
|
The HTML files created by
|
|
.I texi2html
|
|
are closer to TeX than to Info, that's why
|
|
.I texi2html
|
|
converts @iftex sections and not @ifinfo ones by default. You can reverse
|
|
this with the \-expandinfo option.
|
|
.SH OPTIONS
|
|
.TP 12
|
|
.B \-check
|
|
Check the given file and give the list of all things that may be Texinfo commands.
|
|
This may be used to check the output of
|
|
.I texi2html
|
|
to find the Texinfo commands that have been left in the HTML file.
|
|
.TP
|
|
.B \-expandinfo
|
|
Expand @ifinfo sections, not @iftex ones.
|
|
.TP
|
|
.B \-glossary
|
|
Use the section named 'Glossary' to build a list of terms and put links in the HTML
|
|
document from each term toward its definition.
|
|
.TP
|
|
.B \-invisible \fIname\fP
|
|
Use \fIname\fP to create invisible destination anchors for index links
|
|
(you can for instance use the invisible.xbm file shipped with this program).
|
|
This is a workaround for a known bug of many WWW browsers, including netscape.
|
|
.TP
|
|
.B \-I \fIdir\fP
|
|
Look also in \fIdir\fP to find included files.
|
|
.TP
|
|
.B \-menu
|
|
Show the Texinfo menus; by default they are ignored.
|
|
.TP
|
|
.B \-monolithic
|
|
Output only one file, including the table of contents and footnotes.
|
|
.TP
|
|
.B \-number
|
|
Number the sections.
|
|
.TP
|
|
.B \-split_chapter
|
|
Split the output into several HTML files (one per main section:
|
|
chapter, appendix...).
|
|
.TP
|
|
.B \-split_node
|
|
Split the output into several HTML files (one per node).
|
|
.TP
|
|
.B \-usage
|
|
Print usage instructions, listing the current available command-line options.
|
|
.TP
|
|
.B \-verbose
|
|
Give a verbose output. Can be used with the
|
|
.B \-check
|
|
option.
|
|
.PP
|
|
.SH FILES
|
|
By default
|
|
.I texi2html
|
|
creates the following files (foo being the name of the Texinfo file):
|
|
.TP 16
|
|
.B foo_toc.html
|
|
The table of contents.
|
|
.TP
|
|
.B foo.html
|
|
The document's contents.
|
|
.TP
|
|
.B foo_foot.html
|
|
The footnotes (if any).
|
|
.PP
|
|
When used with the
|
|
.B \-split
|
|
option, it creates several files (one per chapter or node), named
|
|
.B foo_n.html
|
|
(n being the indice of the chapter or node), instead of the single
|
|
.B foo.html
|
|
file.
|
|
.PP
|
|
When used with the
|
|
.B \-monolithic
|
|
option, it creates only one file:
|
|
.B foo.html
|
|
.SH VARIABLES
|
|
.I texi2html
|
|
predefines the following variables: \fBhtml\fP, \fBtexi2html\fP.
|
|
.SH ADDITIONAL COMMANDS
|
|
.I texi2html
|
|
implements the following non-Texinfo commands (maybe they are in Texinfo now...):
|
|
.TP 16
|
|
.B @ifhtml
|
|
This indicates the start of an HTML section, this section will passed through
|
|
without any modification.
|
|
.TP
|
|
.B @end ifhtml
|
|
This indicates the end of an HTML section.
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.SH VERSION
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This is \fItexi2html\fP version 1.52, 01/05/98.
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.PP
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The latest version of \fItexi2html\fP can be found in WWW, cf. URL
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http://wwwinfo.cern.ch/dis/texi2html/
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.SH AUTHOR
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The main author is Lionel Cons, CERN IT/DIS/OSE, Lionel.Cons@cern.ch.
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Many other people around the net contributed to this program.
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.SH COPYRIGHT
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This program is the intellectual property of the European
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Laboratory for Particle Physics (known as CERN). No guarantee whatsoever is
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provided by CERN. No liability whatsoever is accepted for any loss or damage
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of any kind resulting from any defect or inaccuracy in this information or
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code.
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.PP
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CERN, 1211 Geneva 23, Switzerland
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.SH "SEE ALSO"
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GNU Texinfo Documentation Format,
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HyperText Markup Language (HTML),
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World Wide Web (WWW).
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.SH BUGS
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This program does not understand all Texinfo commands (yet).
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.PP
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TeX specific commands (normally enclosed in @iftex) will be
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passed unmodified.
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.ex
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