/contrib/groff/tmac/devtag.tmac
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- .ig
- devtag.tmac - macro package for adding tags to roff documents.
- File position: <groff_source_top>/tmac/devtag.tmac
- Installed position: groff's main macro directory.
- ------------------------------------------------------------------------
- Legalize
- ------------------------------------------------------------------------
- This file is part of groff, the GNU roff type-setting system.
- Copyright (C) 2004 Free Software Foundation, Inc.
- written by Gaius Mulley <gaius@glam.ac.uk>.
- groff is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2, or (at your option) any later
- version.
- groff is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
- You should have received a copy of the GNU General Public License
- along with groff; see the file COPYING. If not, write to the Free
- Software Foundation, 51 Franklin St - Fifth Floor, Boston, MA
- 02110-1301, USA.
- ------------------------------------------------------------------------
- Description
- ------------------------------------------------------------------------
- A simple set of macros to provide markup devices (currently only grohtml)
- with tags that define the meaning of the formatted text and also
- basic formatting instructions. It generalizes the tag concept used within
- grohtml and in the future it is hoped that more markup based devices
- can capitalize on this work. It also clearly defines those tags which are
- honoured by grohtml. Note that not all tags are included here. Some
- of the grohtml specific tags (header specific and jobname, etc.) are
- called directly from within www.tmac. The tags defined here are
- reasonably generic and could be applied to other devices.
- ..
- .
- .do if d DEVTAG-NH .nx
- .
- .nr _C \n(.C
- .cp 0
- .
- .\" --------------------------------------------------------------------
- .\" DEVTAG <name>
- .\"
- .\" Emit a tag <name>
- .\"
- .de DEVTAG
- . tag devtag:\\$*
- ..
- .\" --------------------------------------------------------------------
- .\" DEVTAG-NEXT <name>
- .\"
- .\" When the troff state changes, emit tag <name>
- .\"
- .de DEVTAG-NEXT
- . taga devtag:\\$*
- ..
- .
- .\" --------------------------------------------------------------------
- .\" SH <level>
- .\" NH <level>
- .\" tell device we are starting a numbered heading
- .\" Takes a single parameter <level>. <level> 1
- .\" is the outer most level.
- .
- .de DEVTAG-NH
- . DEVTAG ".NH \\$1"
- ..
- .als DEVTAG-SH DEVTAG-NH
- .
- .\" --------------------------------------------------------------------
- .\" COL <n>
- .\" indicate that the following text is aligned for the column <n>
- .\" n: [1..MAX(n)]
- .
- .de DEVTAG-COL
- . DEVTAG ".col \\$1"
- ..
- .
- .\" --------------------------------------------------------------------
- .\" EO-H
- .\" indicate that a header has finished.
- .
- .de DEVTAG-EO-H
- . DEVTAG ".eo.h"
- ..
- .\" --------------------------------------------------------------------
- .\" EO-TL
- .\" indicate that a title has finished.
- .
- .de DEVTAG-EO-TL
- . DEVTAG ".eo.tl"
- ..
- .\" --------------------------------------------------------------------
- .\" TL
- .\" indicate that the following text forms a title.
- .
- .de DEVTAG-TL
- . DEVTAG ".tl"
- ..
- .
- .\" --------------------------------------------------------------------
- .\" COL-NEXT <n>
- .\" emit a column tag just before the next glyph.
- .
- .de DEVTAG-COL-NEXT
- . DEVTAG-NEXT ".col \\$1"
- ..
- .
- .
- .cp \n[_C]
- .
- .
- .\" --------------------------------------------------------------------
- .\" Emacs settings
- .\" --------------------------------------------------------------------
- .
- .\" Local Variables:
- .\" mode: nroff
- .\" End:
- .\" EOF