Improve LaTeX version checking

[lyx.git] / lib / chkconfig.ltx

diff --git a/lib/chkconfig.ltx b/lib/chkconfig.ltx
index 34f9aff13252d6880328815fc16e5975af84ebf0..a9b82e6e4806698e5180fca318e6cca410f865af 100644 (file)
--- a/lib/chkconfig.ltx
+++ b/lib/chkconfig.ltx
@@ -75,8 +75,8 @@
 \newcommand{\AddVariable}[2]{
   \immediate\write\vars{chk_#1='#2'}}
 
-\newcommand{\AddPackage}[1]{
-  \immediate\write\packages{#1}}
+\newcommand{\AddPackage}[2][]{
+  \immediate\write\packages{#2 #1}}
 
 % Tests whether an item is present
 % Syntax: \TestItem[<file>]{<name>}{<type>}{<ext>}{<iftrue>}{<iffalse>}
@@ -148,20 +148,6 @@
   \fi}
 
 
-% Test for the LaTeX version
-\newcommand{\TestLaTeXVersion}[1]{
-  \message{^^J\prefix checking for LaTeX version at least as of #1...}
-  \@ifl@t@r\fmtversion{#1}{\existstrue}{\existsfalse}
-  \ifexists
-    \message{yes^^J}
-    \AddVariable{#1}{yes}
-    \AddPackage{LaTeX-#1}
-  \else
-    \message{no^^J}
-    \AddVariable{#1}{no}
-  \fi}
-
-
 % Adapted from ltxcheck.tex
 \newcommand{\TestFont}[2][\default]{
   \def\default{#2}
@@ -180,6 +166,7 @@
   \fi}
 
 \newcommand{\TestPackage}[2][\default]{
+  \def\default{#2}
   \TestItem[#1]{#2}{package}{sty}{\AddPackage{#2}}{}}
 
 \newcommand{\TestDocClass}[2]{
@@ -234,20 +221,8 @@
 \message{^^J\prefix checking for LaTeX version... \fmtversion}
 \AddVariable{fmtversion}{\fmtversion}
 
-%%% Crucial versions
-% This one introduces \textsubscript
-\TestLaTeXVersion{2005/12/01}
-% This one introduces \UseRawInputEncoding
-\TestLaTeXVersion{2018/04/01}
-% This one introduces path encoding changes
-\TestLaTeXVersion{2019/10/01}
-% This introduces all math and text spaces
-% previously only available via amsmath
-\TestLaTeXVersion{2020/10/01}
-% This robustifies LaTeX commands
-\TestLaTeXVersion{2021/06/01}
-% Introduction of \\DocumentMetadata
-\TestLaTeXVersion{2022/06/01}
+%%% Store the current LaTeX version
+\AddPackage[\fmtversion]{LaTeX}
 
 %%% And now, the list of available languages
 % The trick is to know that \the\everyjob contains something like