diff options
author | Karl Berry <karl@freefriends.org> | 2020-02-21 22:53:09 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2020-02-21 22:53:09 +0000 |
commit | b93c984f421e506f8757182f49b0668b84e6c8ec (patch) | |
tree | 65244e41027a3b278aa2f36c8e0a8306282cb2ef /Master/texmf-dist/source/latex/base/ltfssini.dtx | |
parent | 53d7010a7c614b77eba1cd00904c13f751af7efd (diff) |
latex (20feb20)
git-svn-id: svn://tug.org/texlive/trunk@53857 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/source/latex/base/ltfssini.dtx')
-rw-r--r-- | Master/texmf-dist/source/latex/base/ltfssini.dtx | 107 |
1 files changed, 85 insertions, 22 deletions
diff --git a/Master/texmf-dist/source/latex/base/ltfssini.dtx b/Master/texmf-dist/source/latex/base/ltfssini.dtx index 27019e64461..98f465ae9b9 100644 --- a/Master/texmf-dist/source/latex/base/ltfssini.dtx +++ b/Master/texmf-dist/source/latex/base/ltfssini.dtx @@ -36,7 +36,7 @@ % % \ProvidesFile{ltfssini.dtx} - [2020/02/11 v3.1h LaTeX Kernel (NFSS Initialisation)] + [2020/02/18 v3.1i LaTeX Kernel (NFSS Initialisation)] % \iffalse \documentclass{ltxdoc} \begin{document} @@ -414,18 +414,18 @@ % alternatives and therefore check if the current family % (\cs{f@family}) is the current \cs{rmdef@ult}, \cs{sfdef@ult} or % \cs{ttdef@ult} and the select the correct family default in that case. +% \changes{v3.1i}{2020/02/18}{Make the \cs{ifx} selection outside +% of \cs{fontseries} argument so that it is not done several times} % \begin{macrocode} \expand@font@defaults - \fontseries{% - \ifx\f@family\rmdef@ult \bfseries@rm - \else\ifx\f@family\sfdef@ult \bfseries@sf - \else\ifx\f@family\ttdef@ult \bfseries@tt + \ifx\f@family\rmdef@ult \fontseries\bfseries@rm + \else\ifx\f@family\sfdef@ult \fontseries\bfseries@sf + \else\ifx\f@family\ttdef@ult \fontseries\bfseries@tt % \end{macrocode} % If not \cs{bfdefault} is used. % \begin{macrocode} - \else \bfdefault + \else \fontseries\bfdefault \fi\fi\fi - }% \selectfont } % \end{macrocode} @@ -435,17 +435,17 @@ % \begin{macro}{\mdseries} % This document command switches to the medium series. +% \changes{v3.1i}{2020/02/18}{Make the \cs{ifx} selection outside +% of \cs{fontseries} argument so that it is not done several times} % \begin{macrocode} \DeclareRobustCommand\mdseries{% \not@math@alphabet\mdseries\relax \expand@font@defaults - \fontseries{% - \ifx\f@family\rmdef@ult \mdseries@rm - \else\ifx\f@family\sfdef@ult \mdseries@sf - \else\ifx\f@family\ttdef@ult \mdseries@tt - \else \mddefault + \ifx\f@family\rmdef@ult \fontseries\mdseries@rm + \else\ifx\f@family\sfdef@ult \fontseries\mdseries@sf + \else\ifx\f@family\ttdef@ult \fontseries\mdseries@tt + \else \fontseries\mddefault \fi\fi\fi - }% \selectfont } % \end{macrocode} @@ -615,9 +615,25 @@ % \end{macro} % \end{macro} % \end{macro} - - - +% +% +% +% +% \begin{macro}{\series@change@debug} +% For debugging, but right now none of this code is extracted. The +% idea is to have a separate package with debugging code +% one day. +% \begin{macrocode} +%<*debug> +\let\series@change@debug\typeout +\let\series@change@debug\@gobble +%</debug> +% \end{macrocode} +% \end{macro} +% +% +% +% % \begin{macro}{\prepare@family@series@update} % This is core command that prepares for the family update. The big % difference to the documented code above is that the nested @@ -635,6 +651,15 @@ % % \begin{macrocode} \def\prepare@family@series@update#1#2{% +% \end{macrocode} +% +% \changes{v3.1i}{2020/02/18}{No series auto-update when forced (gh/277)} +% \begin{macrocode} + \if@forced@series +%<+debug> \series@change@debug{No series preparation (forced \f@series)\on@line}% + \fontfamily#2% + \else +%<+debug> \series@change@debug{Prepearing for switching to #1 (#2)\on@line}% \expand@font@defaults % \end{macrocode} % We prepare for changing the current series. We have to find it @@ -643,11 +668,36 @@ \let\target@series@value\@empty \def\target@meta@family@value{#1}% % \end{macrocode} +% As the very last item in the meta family list we add +% \verb=\@elt{??}= and define this pseudo meta family to be the +% current font family. So if none of the real meta families matched then +% this will match. This will cover the following case: +% \begin{itemize} +% \item \cs{bfseries} is called for a family using \texttt{bx} +% (e.g., CMR) +% \item Switch to a font family that is none of the the meta +% families, e.g., via \verb=\fontfamily{ptm}\selectfont= +% \item Then none of the real meta families, match but the final +% \verb=\@elt{??}= will. +% \item Therefore if the current series is \cs{mddefault} or +% \cs{bfdefault} it will be detected and the corresponding target +% series selected. +% \end{itemize} +% \changes{v3.1i}{2020/02/18}{Recognize current family if it is not a +% ``meta'' family and auto-update series using \cs{bfdefault} (gh/277)} +% \begin{macrocode} + \expandafter\edef\csname ??def@ult\endcsname{\f@family}% +% \end{macrocode} % To find it we loop over the meta family list with a suitable % definition of \cs{@elt}. % \begin{macrocode} \let\@elt\update@series@target@value \@meta@family@list +% \end{macrocode} +% Last resort pseudo meta family. Will only be looked at f none of +% the real ones have matched. +% \begin{macrocode} + \@elt{??}% \let\@elt\relax % \end{macrocode} % That will figure out the correct series value to use without updating @@ -659,10 +709,19 @@ % above. % \begin{macrocode} \ifx\target@series@value\@empty +%<+debug> \series@change@debug{Target series still empty ...}% \else - \maybe@load@fontshape - \let\f@series\target@series@value + \ifx \f@series\target@series@value +%<+debug> \series@change@debug{Target series unchanged: +%<+debug> \f@series \space = \target@series@value}% + \else + \maybe@load@fontshape +%<+debug> \series@change@debug{Target series: +%<+debug> \f@series \space -> \target@series@value}% + \let\f@series\target@series@value + \fi \fi + \fi } % \end{macrocode} % \end{macro} @@ -686,6 +745,8 @@ \def\reserved@a{#1}% \ifx\target@meta@family@value\reserved@a % rm -> rm do nothing \else +%<+debug> \series@change@debug{Trying to match #1: \csname#1def@ult\endcsname +%<+debug> \space = \f@family\space ?}% % \end{macrocode} % We only ``do'' something if the current font family matches the % current meta family. @@ -707,6 +768,8 @@ \csname mdseries@\target@meta@family@value\endcsname \expandafter\let\expandafter\reserved@c \csname bfseries@\target@meta@family@value\endcsname +%<+debug>\series@change@debug{Targets for mdseries and bfseries: +%<+debug> \reserved@b\space and \reserved@c}% % \end{macrocode} % This here is now identical to the nested \cs{ifx} block from the % outline, except that it there appeared twice in @@ -714,11 +777,15 @@ % loop when a match was found. % \begin{macrocode} \expandafter\ifx\csname mdseries@#1\endcsname\f@series +%<+debug> \series@change@debug{mdseries@#1 matched -> \reserved@b}% \let\target@series@value\reserved@b \else\expandafter\ifx\csname bfseries@#1\endcsname\f@series +%<+debug> \series@change@debug{bfseries@#1 matched -> \reserved@c}% \let\target@series@value\reserved@c \else\ifx\f@series\mddef@ult \let\target@series@value\reserved@b +%<+debug> \series@change@debug{mddef@ult matched -> \reserved@b}% \else\ifx\f@series\bfdef@ult \let\target@series@value\reserved@c +%<+debug> \series@change@debug{bfdef@ult matched -> \reserved@c}% \fi\fi\fi\fi \fi \fi @@ -730,10 +797,6 @@ % % % -% -% -% -% % \begin{macro}{\init@series@setup} % This is code to be run at begin document \ldots % \begin{macrocode} |