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-rw-r--r--macros/latex-dev/base/ltoutenc.dtx27
1 files changed, 16 insertions, 11 deletions
diff --git a/macros/latex-dev/base/ltoutenc.dtx b/macros/latex-dev/base/ltoutenc.dtx
index 1d257805a4..c18ff01446 100644
--- a/macros/latex-dev/base/ltoutenc.dtx
+++ b/macros/latex-dev/base/ltoutenc.dtx
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2023
+% Copyright (C) 1993-2024
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
@@ -44,7 +44,7 @@
%<*driver>
% \fi
\ProvidesFile{ltoutenc.dtx}
- [2022/05/27 v2.0z LaTeX Kernel (font encodings)]
+ [2024/02/08 v2.1a LaTeX Kernel (font encodings)]
% \iffalse
\documentclass{ltxdoc}
\GetFileInfo{ltoutenc.dtx}
@@ -383,10 +383,10 @@
% other encodings, so there are some optimizations provided:
% \begin{quote}
% |\DeclareTextSymbolDefault{|^^A
-% \meta{command}|}|^^A
+% \meta{command}|}{|^^A
% \meta{encoding}|}|\\
% |\DeclareTextAccentDefault{|^^A
-% \meta{command}|}|^^A
+% \meta{command}|}{|^^A
% \meta{encoding}|}|
% \end{quote}
% are short for:
@@ -840,7 +840,7 @@
% interfere between accent and base character. Therefore we need to
% avoid that (they are some hidden inside \cs{maybe@load@fontshape}).
% As we don't have to load the fontshape in this case
-% (as that happened in the box above if necessary, we simply
+% (as that already happened in the box above, if necessary), we simply
% disable that part of the code temporarily.
% We also ignore \cs{ignorespaces} which has the same issue and may
% show up as part of \cs{normalfont} if that is used.
@@ -3659,10 +3659,10 @@
\let\encodingdefault\CurrentOption
% \end{macrocode}
% From 2020/02/02 release onward we only load the encoding files if
-% they haven't be loaded already. To check this we look if
-% \verb=\T@=\textit{encoding} is already defined. If not we load
+% they haven't be loaded already. To check this we look at whether
+% \verb=\T@=\textit{encoding} is already defined. If not, we load it later
% (indicated by setting the switch
-% \texttt{@tempswa} to true and we always load if we run in an older
+% \texttt{@tempswa} to true) and we always load if we are using an older
% format (or rather in a rollback situation).
% \changes{v2.0m}{2020/01/25}{Load each encoding file only once (gh/255)}
% \begin{macrocode}
@@ -3677,6 +3677,7 @@
\if@tempswa
% \end{macrocode}
%
+% \changes{v2.1a}{2023/11/07}{Add more explanation to error message (gh/1102)}
% \begin{macrocode}
\edef\reserved@f{%
\lowercase{\def\noexpand\reserved@f{\CurrentOption enc.def}}}%
@@ -3685,7 +3686,11 @@
{}{\PackageError{fontenc}%
{Encoding file `\reserved@f' not found.%
\MessageBreak
- You might have misspelt the name of the encoding}%
+ You might have misspelled the name of the encoding
+ \MessageBreak
+ or a required support package (e.g., cyrillic) is
+ \MessageBreak
+ missing in your installation}%
{Necessary code for this encoding was not
loaded.\MessageBreak
Thus calling the encoding later on will
@@ -3723,8 +3728,8 @@
% \end{macrocode}
%
% We select the new font encoding default (i.e., the last encoding
-% specified in the option list. But this encoding may not work with
-% the current |\f@shape|, e.g., \texttt{LY1} is not defined for
+% specified in the option list). But this encoding may not work with
+% the current |\f@shape|: e.g., \texttt{LY1} is not defined for
% \texttt{cmr} and therefore packages switching to \texttt{LY1}
% usually also change \cs{rmdefault}. But that only applies at
% |\begin{document}| so we get a spurious warning if we use what