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authorKarl Berry <karl@freefriends.org>2007-05-22 17:46:23 +0000
committerKarl Berry <karl@freefriends.org>2007-05-22 17:46:23 +0000
commitf4eb27d3314d15838f674a3872000159d029f88b (patch)
tree6e9ab33c5a2d702912b4a969ade4e4e2ac586d62 /Master/texmf-dist/source/latex/expl3/l3vers.dtx
parent14af3f447439750920f754792b89f113d019076a (diff)
update expl3
git-svn-id: svn://tug.org/texlive/trunk@4335 c570f23f-e606-0410-a88d-b1316a301751
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+% \iffalse
+%% File: l3vers.dtx Copyright (C) 1990-2005 LaTeX3 project
+%%
+%% It may be distributed and/or modified under the conditions of the
+%% LaTeX Project Public License (LPPL), either version 1.3c of this
+%% license or (at your option) any later version. The latest version
+%% of this license is in the file
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% This file is part of the ``expl3 bundle'' (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%%
+%% The released version of this bundle is available from CTAN.
+%%
+%% -----------------------------------------------------------------------
+%%
+%% The development version of the bundle can be found at
+%%
+%% http://www.latex-project.org/cgi-bin/cvsweb.cgi/
+%%
+%% for those people who are interested.
+%%
+%%%%%%%%%%%
+%% NOTE: %%
+%%%%%%%%%%%
+%%
+%% Snapshots taken from the repository represent work in progress and may
+%% not work or may contain conflicting material! We therefore ask
+%% people _not_ to put them into distributions, archives, etc. without
+%% prior consultation with the LaTeX Project Team.
+%%
+%% -----------------------------------------------------------------------
+%<package>\RequirePackage{l3names}
+%<*dtx>
+%\fi
+\def\GetIdInfo$Id: #1.dtx #2 #3-#4-#5 #6 #7$#8{%
+ \def\fileversion{#2}%
+ \def\filedate{#3/#4/#5}%
+ \ProvidesFile{#1.dtx}[#3/#4/#5 v#2 #8]%
+}
+%\iffalse
+%</dtx>
+%\fi
+\GetIdInfo$Id: l3vers.dtx 573 2006-08-21 20:59:37Z morten $
+ {L3 Experimental LaTeX format version}
+%
+% \iffalse
+%<*driver>
+\documentclass{l3doc}
+
+\begin{document}
+\DocInput{l3vers.dtx}
+\end{document}
+%</driver>
+% \fi
+%
+% \section{Version Identification}
+% Here we identify the date and version number of this release of
+% \LaTeX3, and set |\tex_everyjob:D| so that it is printed at the start of
+% every \LaTeX3 run.
+%
+% \StopEventually{}
+%
+%
+% \begin{macro}{\c_format_name}
+% \begin{macro}{\c_format_date}
+% \begin{macrocode}
+%<*initex>
+\def:Npn\c_format_name{Experimental~ LaTeX3}
+\def:Npn\c_format_date{2005/12/25}
+%^^A\def:Npx\c_format_version{--release--date--goes--here--}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+%
+% \begin{macro}{\c_fmt_too_old}
+% \begin{macro}{\chk_format_age:w}
+% Check that the format being made is not too old. While in development
+% it should be a rather small number.
+% \begin{macrocode}
+\const_new:Nn \c_fmt_too_old{12}
+\def:Npn\chk_format_age:w #1/#2/#3\q_stop{
+% \end{macrocode}
+% We just calculate the age of this file in months and give a warning
+% if deemed too old.
+% \begin{macrocode}
+ \num_compare:nNnT{(\tex_year:D-#1)*12+\tex_month:D-#2}>\c_fmt_too_old
+ {\iow_expanded_term:n{^^J
+ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!^^J
+ !~~You~are~attempting~to~make~an~experimental~LaTeX3~format~from^^J
+ !~~source~files~that~are~more~than~
+ \num_use:N\num_eval:n{\c_fmt_too_old}~months~old.^^J
+ !^^J
+ !~~If~you~enter~<return>~to~scroll~past~this~message~then~the~format^^J
+ !~~will~be~built,~but~please~consider~obtaining~newer~source~files^^J
+ !~~before~continuing~to~build~an~experimental~LaTeX3~format.^^J
+ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!^^J
+ }
+ \tex_errhelp:D{
+ To~avoid~this~error~message,~obtain~new~Experimental~LaTeX3~sources.}
+ \tex_errmessage:D{
+ Experimental~LaTeX3~source~files~are~more~than~
+ \num_use:N\num_eval:n{\c_fmt_too_old}~months~old!}
+ }
+}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% Then we execute it.
+% \begin{macrocode}
+\exp_after:NN\chk_format_age:w\c_format_date\q_stop
+% \end{macrocode}
+% And since it's no longer needed we remove it again.
+% \begin{macrocode}
+\cs_gundefine:N \chk_format_age:w
+% \end{macrocode}
+%
+% This startup banner may be further modified by the code in
+% |ltfinal.dtx| if a patch file is present.
+% \begin{macrocode}
+\tex_everyjob:D{\io_put_term:x{\c_format_name,~<\c_format_date>}}
+\io_put_term:x{\c_format_name,~<\c_format_date>}
+%</initex>
+% \end{macrocode}
+%
+% \endinput
+%
+% $Log$
+% Revision 1.5 2005/12/27 15:54:15 morten
+% Changed RCS information retrieval
+%
+% Revision 1.4 2005/04/13 09:52:47 morten
+% Fix spaces in messages, make fast calculation of format age, fixed \DocInput, added \endinput
+%
+% Revision 1.3 2005/04/12 22:42:22 braams
+% Removed a few redundant lines with docstrip instructions
+%
+% Revision 1.2 2005/04/11 22:46:47 braams
+% Translated this file into the ltx3 lingo
+% This file may need further cleanup at a later stage
+%
+% Revision 1.1 2005/03/11 21:26:31 braams
+% File copied from 2e for now, to hold the format version identification
+%