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-rw-r--r--macros/latex-dev/base/ltplain.dtx20
1 files changed, 18 insertions, 2 deletions
diff --git a/macros/latex-dev/base/ltplain.dtx b/macros/latex-dev/base/ltplain.dtx
index e0fbcecf1b..5fa7039679 100644
--- a/macros/latex-dev/base/ltplain.dtx
+++ b/macros/latex-dev/base/ltplain.dtx
@@ -32,7 +32,7 @@
%<*driver>
% \fi
\ProvidesFile{ltplain.dtx}
- [2021/04/18 v2.3f LaTeX Kernel (Plain TeX)]
+ [2021/07/16 v2.3g LaTeX Kernel (Plain TeX)]
% \iffalse
\documentclass{ltxdoc}
\GetFileInfo{ltplain.dtx}
@@ -906,6 +906,7 @@
\finalhyphendemerits=5000
\adjdemerits=10000
% \end{macrocode}
+% \begin{macrocode}
% \looseness=0, cleared by TeX after each paragraph
% \pausing=0
% \holdinginserts=0
@@ -915,9 +916,24 @@
% \tracingparagraphs=0
% \tracingpages=0
% \tracingoutput=0
+% \end{macrocode}
+% In the past \LaTeX{} used the default value of \texttt{1} for
+% \cs{tracinglostchars} because this was the best it could do. This
+% way one would at least get a warning in the \texttt{.log}
+% file. e-\TeX{} improved on that and supported a value of \texttt{2}
+% to show the warning on the terminal, so we could have changed the
+% default when we made the e-\TeX{} extensions required---however,
+% we overlooked that oportunity.
+% In 2021 this parameter was improved on again and now also accepts
+% the value \texttt{3}
+% (error on the terminal). This made us realize that we should
+% change the default. Using \texttt{3} would really be the
+% best, but for compatibility reasons we only use \texttt{2}.
+% \changes{v2.3g}{2021/07/16}{Use 2 as default value for \cs{tracinglostchars}}
% \begin{macrocode}
-\tracinglostchars=1
+\tracinglostchars=2
% \end{macrocode}
+% \begin{macrocode}
% \tracingcommands=0
% \tracingrestores=0
% \end{macrocode}