Merge branch 'gh444' into develop

base/changes.txt

@@ -6,6 +6,21 @@ completeness or accuracy and it contains some references to files that
 are not part of the distribution.
 ================================================================================
 
+2020-12-22  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
+
+	* ltfssaxes.dtx (subsection{Changing to a new series}):
+	Distangle series and shape update by delaying the font series
+	and font shape merging (gh/444)
+
+	Move the rollback info for \normalshape after its main definition
+	otherwise it will not be undone	(gh/458)
+
+2020-12-22  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
+
+	* ltfsstrc.dtx (subsection{General font loading}):
+	Alter \selectfont to do the delayed merging of  font series
+	and font shape (gh/444)
+
 2020-12-27  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
 
 	* letter.dtx (subsubsection{Page breaking control}):
@@ -31,6 +46,27 @@ are not part of the distribution.
 	lttextcomp.dtx, ltvers.dtx, ltxdoc.dtx, ltxref.dtx, nfssfont.dtx,
 	proc.dtx, slides.dtx, utf8ienc.dtx.
 
+2020-12-04  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
+
+	* ltfilehook.dtx (subsection{Declaring a file substitution}):
+	Don't drop file substitution declarations when rolling back
+	just render them no-ops
+
+2020-12-04  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
+	Add a hook to \selectfont to be executed after the switch to the
+	new font. This implements the functionality formerly in the everysel
+	package.
+
+2020-12-04  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
+
+	* ltfinal.dtx (subsection{File substitutions}):
+	Emulate everysel package
+
+2020-12-04  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
+
+	* ltfssini.dtx (subsection{Miscellaneous}):
+	Setting up \f@series and \f@shape default values directly (gh/444)
+
 2020-10-26  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
 
 	* ltmiscen.dtx (subsection{Environments}):

base/doc/ltnews33.tex

@@ -128,6 +128,7 @@ \subsection{\cs{end}\texttt{\textbraceleft document\textbraceright}
 \githubissue{385}
 
 
+
 \subsection{Allow extra space between name and address in \pkg{letter} class}
 
 The \cs{opening} command in the the \pkg{letter} class expects the
@@ -139,6 +140,30 @@ \subsection{Allow extra space between name and address in \pkg{letter} class}
 
 
 
+\subsection{Provide hook in \cs{selectfont}}
+
+After \cs{selectfont} has altered the font we run a hook so that
+packages can make final adjustments. This functionality was originally
+provided by the \pkg{everysel} package, the new implementation is
+slightly different and uses the standard hook management.
+%
+\githubissue{444}
+
+
+\subsection{Delay change of font series and shape to \cs{selectfont} call}
+
+With the NFSS extensions introduced in 2020 the font series and shape
+settings be be influenced by changes to the font family. The setting
+is therefore delayed until \cs{selectfont} is executed to avoid
+unnecessary or incorrect substitutions that may otherwise happen due
+to the order of declarations.
+%
+\githubissue{444}
+
+
+
+
+
 \subsection{\ldots}
 
 \emph{to be written}

base/format.ins

@@ -3,7 +3,7 @@
 %% driver files from the doc files in this package when run through
 %% LaTeX or TeX.
 %%
-%% Copyright (C) 1993-2020
+%% Copyright (C) 1993-2021
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %%
@@ -48,7 +48,7 @@ reports for it can be opened at https://latex-project.org/bugs.html
 (but please observe conditions on bug reports sent to that address!)
 
 
-Copyright (C) 1993-2020
+Copyright (C) 1993-2021
 The LaTeX3 Project and any individual authors listed elsewhere
 in this file.
 
@@ -123,7 +123,7 @@ extension .ins) which are part of the distribution.
 
 This is a generated file.
 
-Copyright (C) 1993-2020
+Copyright (C) 1993-2021
 The LaTeX3 Project and any individual authors listed elsewhere
 in this file.
 

base/ltfilehook.dtx

@@ -31,7 +31,7 @@
 %%% From File: ltfilehook.dtx
 %
 %    \begin{macrocode}
-\providecommand\ltfilehookversion{v1.0c}
+\providecommand\ltfilehookversion{v1.0d}
 \providecommand\ltfilehookdate{2020/12/05}
 %    \end{macrocode}
 %
@@ -850,12 +850,18 @@
 %<latexrelease>\EndIncludeInRelease
 %    \end{macrocode}
 %
+%    We are not fully rolling back the file substitutions in case a
+%    rollback encounters a package that contains them, but is itself
+%    not setup for rollback. So we just bypass them and hope for the
+%    best.
+% \changes{v1.0d}{2020/12/04}{Don't drop file substitution commands on
+%    rollback}
 %    \begin{macrocode}
 %<latexrelease>\IncludeInRelease{0000/00/00}%
 %<latexrelease>          {\declare@file@substitution}{File substitution}%
 %<latexrelease>
-%<latexrelease>\let \declare@file@substitution   \@undefined
-%<latexrelease>\let \undeclare@file@substitution \@undefined
+%<latexrelease>\let \declare@file@substitution   \@gobbletwo
+%<latexrelease>\let \undeclare@file@substitution \@gobble
 %<latexrelease>
 %<latexrelease>\EndIncludeInRelease
 %<*2ekernel>

base/ltfinal.dtx

@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright (C) 1993-2020
+% Copyright (C) 1993-2021
 % The LaTeX3 Project and any individual authors listed elsewhere
 % in this file.
 %
@@ -33,7 +33,7 @@
 %<*driver>
 % \fi
 \ProvidesFile{ltfinal.dtx}
-             [2020-12-05 v2.2j LaTeX Kernel (Final Settings)]
+             [2021/01/06 v2.2l LaTeX Kernel (Final Settings)]
 % \iffalse
 \documentclass{ltxdoc}
 \GetFileInfo{ltfinal.dtx}
@@ -90,6 +90,9 @@
 % \changes{v2.0s}{2016/10/15}{Tidy up status of char 127}
 % \changes{v2.2i}{2020/08/21}{Integration of new hook management interface}
 %
+%
+%
+%
 % \subsection{Debugging}
 %
 % By default, \LaTeX{} shows statistics: