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'\"
'\" Generated from file 'doctoc_lang_syntax\&.man' by tcllib/doctools with format 'nroff'
'\" Copyright (c) 2007-2009 Andreas Kupries <andreas_kupries@users\&.sourceforge\&.net>
'\"
.TH "doctoc_lang_syntax" n 1\&.0 tcllib "Documentation tools"
.\" The -*- nroff -*- definitions below are for supplemental macros used
.\" in Tcl/Tk manual entries.
.\"
.\" .AP type name in/out ?indent?
.\" Start paragraph describing an argument to a library procedure.
.\" type is type of argument (int, etc.), in/out is either "in", "out",
.\" or "in/out" to describe whether procedure reads or modifies arg,
.\" and indent is equivalent to second arg of .IP (shouldn't ever be
.\" needed; use .AS below instead)
.\"
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.\" name are examples of largest possible arguments that will be passed
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.\"
.\" .VS ?version? ?br?
.\" Begin vertical sidebar, for use in marking newly-changed parts
.\" of man pages. The first argument is ignored and used for recording
.\" the version when the .VS was added, so that the sidebars can be
.\" found and removed when they reach a certain age. If another argument
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.\"
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.\"
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.\"
.\" .SO ?manpage?
.\" Start of list of standard options for a Tk widget. The manpage
.\" argument defines where to look up the standard options; if
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.\" lines, in three columns separated by tabs.
.\"
.\" .SE
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.\"
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.\" (for trailing punctuation) and then a closing parenthesis.
.\"
.\" # Set up traps and other miscellaneous stuff for Tcl/Tk man pages.
.if t .wh -1.3i ^B
.nr ^l \n(.l
.ad b
.\" # Start an argument description
.de AP
.ie !"\\$4"" .TP \\$4
.el \{\
. ie !"\\$2"" .TP \\n()Cu
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.ta \\n()Au \\n()Bu
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\&\\$1 \\fI\\$2\\fP (\\$3)
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.br
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.el \{\
\&\\fI\\$1\\fP
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..
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.\"
.if !"\\$2"" .nr )B \\w'\\$2'u+\\n()Au+3n
.nr )C \\n()Bu+\\w'(in/out)'u+2n
..
.AS Tcl_Interp Tcl_CreateInterp in/out
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.\" # ^y = starting y location
.\" # ^b = 1
.de BS
.br
.mk ^y
.nr ^b 1u
.if n .nf
.if n .ti 0
.if n \l'\\n(.lu\(ul'
.if n .fi
..
.\" # BE - end boxed text (draw box now)
.de BE
.nf
.ti 0
.mk ^t
.ie n \l'\\n(^lu\(ul'
.el \{\
.\" Draw four-sided box normally, but don't draw top of
.\" box if the box started on an earlier page.
.ie !\\n(^b-1 \{\
\h'-1.5n'\L'|\\n(^yu-1v'\l'\\n(^lu+3n\(ul'\L'\\n(^tu+1v-\\n(^yu'\l'|0u-1.5n\(ul'
.\}
.el \}\
\h'-1.5n'\L'|\\n(^yu-1v'\h'\\n(^lu+3n'\L'\\n(^tu+1v-\\n(^yu'\l'|0u-1.5n\(ul'
.\}
.\}
.fi
.br
.nr ^b 0
..
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.\" # ^Y = starting y location
.\" # ^v = 1 (for troff; for nroff this doesn't matter)
.de VS
.if !"\\$2"" .br
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.el .nr ^v 1u
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.de VE
.ie n 'mc
.el \{\
.ev 2
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\h'|\\n(^lu+3n'\L'|\\n(^Yu-1v\(bv'\v'\\n(^tu+1v-\\n(^Yu'\h'-|\\n(^lu+3n'
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.\" draw two sides but no top otherwise.
.ie !\\n(^b-1 \h'-1.5n'\L'|\\n(^yu-1v'\l'\\n(^lu+3n\(ul'\L'\\n(^tu+1v-\\n(^yu'\h'|0u'\c
.el \h'-1.5n'\L'|\\n(^yu-1v'\h'\\n(^lu+3n'\L'\\n(^tu+1v-\\n(^yu'\h'|0u'\c
.\}
.if \\n(^v \{\
.nr ^x \\n(^tu+1v-\\n(^Yu
\kx\h'-\\nxu'\h'|\\n(^lu+3n'\ky\L'-\\n(^xu'\v'\\n(^xu'\h'|0u'\c
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.bp
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.ev
.if \\n(^b \{\
.mk ^y
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.if \\n(^v \{\
.mk ^Y
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..
.\" # DS - begin display
.de DS
.RS
.nf
.sp
..
.\" # DE - end display
.de DE
.fi
.RE
.sp
..
.\" # SO - start of list of standard options
.de SO
'ie '\\$1'' .ds So \\fBoptions\\fR
'el .ds So \\fB\\$1\\fR
.SH "STANDARD OPTIONS"
.LP
.nf
.ta 5.5c 11c
.ft B
..
.\" # SE - end of list of standard options
.de SE
.fi
.ft R
.LP
See the \\*(So manual entry for details on the standard options.
..
.\" # OP - start of full description for a single option
.de OP
.LP
.nf
.ta 4c
Command-Line Name: \\fB\\$1\\fR
Database Name: \\fB\\$2\\fR
Database Class: \\fB\\$3\\fR
.fi
.IP
..
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.de CS
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.de UL
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.de QW
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.\"" fix emacs highlighting
.el \\*(lq\\$1\\*(rq\\$2
..
.\" # PQ - apply parens and quotation marks to word
.de PQ
.ie '\\*(lq'"' (``\\$1''\\$2)\\$3
.\"" fix emacs highlighting
.el (\\*(lq\\$1\\*(rq\\$2)\\$3
..
.\" # QR - quoted range
.de QR
.ie '\\*(lq'"' ``\\$1''\\-``\\$2''\\$3
.\"" fix emacs highlighting
.el \\*(lq\\$1\\*(rq\\-\\*(lq\\$2\\*(rq\\$3
..
.\" # MT - "empty" string
.de MT
.QW ""
..
.BS
.SH NAME
doctoc_lang_syntax \- doctoc language syntax
.SH DESCRIPTION
.PP
This document contains the formal specification of the syntax of the
doctoc markup language, version 1\&.1 in Backus-Naur-Form\&. This document
is intended to be a reference, complementing the
\fIdoctoc language command reference\fR\&.
A beginner should read the much more informally written
\fIdoctoc language introduction\fR first before trying to
understand either this document or the command reference\&.
.SH FUNDAMENTALS
In the broadest terms possible the \fIdoctoc markup language\fR is
like SGML and similar languages\&. A document written in this language
consists primarily of markup commands, with text embedded into it at
some places\&.
.PP
Each markup command is a just Tcl command surrounded by a matching
pair of \fB[\fR and \fB]\fR\&. Which commands are available,
and their arguments, i\&.e\&. syntax is specified in the
\fIdoctoc language command reference\fR\&.
.PP
In this document we specify first the lexeme, and then the syntax,
i\&.e\&. how we can mix text and markup commands with each other\&.
.SH "LEXICAL DEFINITIONS"
In the syntax rules listed in the next section
.IP [1]
<TEXT> stands for all text except markup commands\&.
.IP [2]
Any XXX stands for the markup command [xxx] including its
arguments\&. Each markup command is a Tcl command surrounded by a
matching pair of \fB[\fR and \fB]\fR\&. Inside of these
delimiters the usual rules for a Tcl command apply with regard to word
quotation, nested commands, continuation lines, etc\&.
.IP [3]
<WHITE> stands for all text consisting only of spaces, newlines,
tabulators and the \fBcomment\fR markup command\&.
.PP
.SH SYNTAX
The rules listed here specify only the syntax of doctoc documents\&. The
lexical level of the language was covered in the previous section\&.
.PP
Regarding the syntax of the (E)BNF itself
.IP [1]
The construct { X } stands for zero or more occurrences of X\&.
.IP [2]
The construct [ X ] stands for zero or one occurrence of X\&.
.PP
The syntax:
.CS
toc = defs
TOC_BEGIN
contents
TOC_END
{ <WHITE> }
defs = { INCLUDE | VSET | <WHITE> }
contents = { defs entry } [ defs ]
entry = ITEM | division
division = DIVISION_START
contents
DIVISION_END
.CE
.SH "BUGS, IDEAS, FEEDBACK"
This document, and the package it describes, will undoubtedly contain
bugs and other problems\&.
Please report such in the category \fIdoctools\fR of the
\fITcllib Trackers\fR [http://core\&.tcl\&.tk/tcllib/reportlist]\&.
Please also report any ideas for enhancements you may have for either
package and/or documentation\&.
.PP
When proposing code changes, please provide \fIunified diffs\fR,
i\&.e the output of \fBdiff -u\fR\&.
.PP
Note further that \fIattachments\fR are strongly preferred over
inlined patches\&. Attachments can be made by going to the \fBEdit\fR
form of the ticket immediately after its creation, and then using the
left-most button in the secondary navigation bar\&.
.SH "SEE ALSO"
doctoc_intro, doctoc_lang_cmdref, doctoc_lang_faq, doctoc_lang_intro
.SH KEYWORDS
doctoc commands, doctoc language, doctoc markup, doctoc syntax, markup, semantic markup
.SH CATEGORY
Documentation tools
.SH COPYRIGHT
.nf
Copyright (c) 2007-2009 Andreas Kupries <andreas_kupries@users\&.sourceforge\&.net>
.fi
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