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authorKarl Berry <karl@freefriends.org>2020-08-07 21:37:39 +0000
committerKarl Berry <karl@freefriends.org>2020-08-07 21:37:39 +0000
commitd6a7e0e5536b4924edec286797ed38021b94509d (patch)
tree04407161e6a03a0698d3029183d3959a762a0bb2 /Master/texmf-dist/tex/latex/l3kernel/expl3.ltx
parent5a14bab00bc59f46bdb92dcfc08ca2d331e3c3ec (diff)
l3 (7aug20)
git-svn-id: svn://tug.org/texlive/trunk@56067 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/latex/l3kernel/expl3.ltx')
-rw-r--r--Master/texmf-dist/tex/latex/l3kernel/expl3.ltx34
1 files changed, 33 insertions, 1 deletions
diff --git a/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx b/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx
index e9c2f3e0dd2..a17e63e2bfe 100644
--- a/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx
+++ b/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx
@@ -19,8 +19,10 @@
%% and all files in that bundle must be distributed together.
%%
%% File: expl3.dtx
-\def\ExplFileDate{2020-07-17}%
+\def\ExplFileDate{2020-08-07}%
\let\ExplLoaderFileDate\ExplFileDate
+\global\expandafter\let\csname\detokenize
+ {c__kernel_expl_date_tl}\endcsname\ExplFileDate
\everyjob\expandafter{\the\everyjob
\message{L3 programming layer <\ExplFileDate>}%
}
@@ -58,6 +60,36 @@
\expandafter\ifx\csname tex\string _let:D\endcsname\relax
\expandafter\endinput
\fi
+\ifcsname\detokenize{c__kernel_expl_date_tl}\endcsname
+ \expandafter\ifx\csname\detokenize
+ {c__kernel_expl_date_tl}\endcsname\ExplLoaderFileDate
+ \else
+ \ExplSyntaxOn
+ \__kernel_msg_set:nnn { kernel } { mismatched-expl3 }
+ {
+ Mismatched~expl3~detected!~Loading~expl3~will~abort.
+ \\ \\
+ The~version~of~expl3~preloaded~in~LaTeX~is~
+ \c__kernel_expl_date_tl,~but~the~version~of~expl3~you~are~
+ trying~to~load~is~dated~\ExplLoaderFileDate.~This~is~most~
+ likely~due~to~a~stray~format~file~in~the~user~tree.~Please~
+ make~sure~that~your~LaTeX~format~is~updated.
+ }
+ \exp_after:wN \ExplSyntaxOff \use:n
+ {
+ \__kernel_msg_critical:nn { kernel } { mismatched-expl3 }
+ \use:c { fi: } \use:c { fi: }
+ }
+ \fi
+\else
+ \ifodd\csname\detokenize{l__kernel_expl_bool}\endcsname
+ \else
+ \ExplSyntaxOn
+ \bool_if_exist:NF \g__expl_reload_bool
+ { \bool_new:N \g__expl_reload_bool }
+ \ExplSyntaxOff
+ \fi
+\fi
\ifcsname\detokenize{g__expl_reload_bool}\endcsname
\ExplSyntaxOn
\bool_gset_true:N \g__expl_reload_bool