Warn if buffer is switched with unapplied document changes (#9369)

[lyx.git] / lib / chkconfig.ltx

diff --git a/lib/chkconfig.ltx b/lib/chkconfig.ltx
index 3c0f0517fefb666a1300285f039e3915353fab45..957ea22d0855a3cabc760f3d938acce2b9e72132 100644 (file)
--- a/lib/chkconfig.ltx
+++ b/lib/chkconfig.ltx
@@ -122,9 +122,14 @@
 
 % Tests whether an package is present in a specific version (or newer)
 % Syntax: \TestPackageVersion{<name>}{<yyyy/mm/dd>}
-% Note: This requires the package to be loaded first
 
 \newcommand{\TestPackageVersion}[2]{
+   % The actual test only works if the package has been loaded before
+   \IfFileExists{#1.sty}{\RequirePackage{#1}}{}
+   \@TestPackageVersion{#1}{#2}
+}
+
+\newcommand{\@TestPackageVersion}[2]{
   \message{^^J\prefix checking for package #1 at least as of #2...}
   \IfFileExists{#1.sty}
   {
@@ -230,11 +235,17 @@
 \AddVariable{fmtversion}{\fmtversion}
 
 %%% Crucial versions
+% This one introduces \textsubscript
+\TestLaTeXVersion{2005/12/01}
 % 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}
 
 %%% And now, the list of available languages
 % The trick is to know that \the\everyjob contains something like
@@ -575,13 +586,16 @@
 %\TestPackage{mathdesign}% But see above!
 
 %%% Specific package versions
-% This only works if the package has been loaded before
-\IfFileExists{babel.sty}{\RequirePackage{babel}}{}
 % This introduces \babelfonts
 \TestPackageVersion{babel}{2017/11/03}
-\IfFileExists{multirow.sty}{\RequirePackage{multirow}}{}
 % This introduces multiple paragraphs in multirows
 \TestPackageVersion{multirow}{2021/01/29}
+% With this version, hyperref option unicode is true
+% by default
+\TestPackageVersion{hyperref}{2021/02/04}
+% As of this version, the ucs package must be explicitly
+% loaded to get utf8x (rather than utf8) encoding tables
+\TestPackageVersion{ucs}{2022/08/07}
 
 %%% Document classes
 % The list of layout files has been put in this file here by the