[latex3-commits] [git/LaTeX3-latex3-latex2e] develop: \i at iffileonpath, use \quote at name in \@filef at und, and provide missing rollback (3650424e)

[David Carlisle]

Repository : https://github.com/latex3/latex2e
On branch  : develop
Link       : https://github.com/latex3/latex2e/commit/3650424e19ad0896253ac1b8690d238958d84374

>---------------------------------------------------------------

commit 3650424e19ad0896253ac1b8690d238958d84374
Author: David Carlisle <d.p.carlisle at gmail.com>
Date:   Mon Nov 11 20:51:26 2019 +0000

    \i at iffileonpath, use \quote at name in \@filef at und, and provide missing rollback


>---------------------------------------------------------------

3650424e19ad0896253ac1b8690d238958d84374
 base/changes.txt |  5 +++++
 base/ltfiles.dtx | 68 ++++++++++++++++++++++++++++++++++----------------------
 2 files changed, 46 insertions(+), 27 deletions(-)

diff --git a/base/changes.txt b/base/changes.txt
index 743f2866..4289125d 100644
--- a/base/changes.txt
+++ b/base/changes.txt
@@ -4,6 +4,11 @@ completeness or accuracy and it contains some references to files that
 are not part of the distribution.
 =======================================================================
 
+2019-11-11  David Carlisle  <David.Carlisle at latex-project.org>
+
+	* ltfiles.dtx: use \quote at name again for \@filef at und in
+          \@iffileonpath
+
 2019-11-02  Frank Mittelbach  <Frank.Mittelbach at latex-project.org>
 
 	* ltmiscen.dtx: Make \\ and \@centercr robust in all situations (gh/203)
diff --git a/base/ltfiles.dtx b/base/ltfiles.dtx
index 87a7f5e9..7c43abc0 100644
--- a/base/ltfiles.dtx
+++ b/base/ltfiles.dtx
@@ -32,7 +32,7 @@
 %<*driver>
 % \fi
 \ProvidesFile{ltfiles.dtx}
-             [2019/11/09 v1.2e LaTeX Kernel (File Handling)]
+             [2019/11/11 v1.2f LaTeX Kernel (File Handling)]
 % \iffalse
 \documentclass{ltxdoc}
 \GetFileInfo{ltfiles.dtx}
@@ -796,6 +796,33 @@
 %    \end{macrocode}
 %  \end{macro}
 %
+% \begin{macro}{\@iffileonpath}
+% If the file is not found by |\openin|, and |\input at path| is defined,
+% look in all the directories specified in |\input at path|.
+% \changes{v0.9p}{1994/01/18}{Macro added}
+% \changes{v1.0f}{1994/05/02}
+%     {\cs{@break at loop} renamed to \cs{@break at tfor}}
+% \changes{v1.0t}{1995/05/25}
+%         {(CAR) added \cs{long}}
+% \changes{v1.1d}{1996/01/10}
+%     {Change argument handling to not require doubled hash. latex/2024}
+% \changes{v1.2d}{2019/10/26}{quote on openin}%
+% \changes{v1.2f}{2019/11/11}{make \cs{@filef at und} match quoting used on \cs{openin}}%
+%    \begin{macrocode}
+\long\def\@iffileonpath#1{%
+  \let\reserved at a\@secondoftwo
+  \expandafter\@tfor\expandafter\reserved at b\expandafter
+             :\expandafter=\input at path\do{%
+    \openin\@inputcheck\expandafter\quote at name\expandafter{\reserved at b#1} %
+    \ifeof\@inputcheck\else
+      \edef\@filef at und{\expandafter\quote at name\expandafter{\reserved at b#1} }%
+      \let\reserved at a\@firstoftwo%
+      \closein\@inputcheck
+      \@break at tfor
+    \fi}%
+  \reserved at a}
+%    \end{macrocode}
+%  \end{macro}
 %
 %    \begin{macrocode}
 %</2ekernel|latexrelease>
@@ -825,38 +852,25 @@
 %<latexrelease>  \fi
 %<latexrelease>  \reserved at a}
 %<latexrelease>
+%<latexrelease>\long\def\@iffileonpath#1{%
+%<latexrelease>  \let\reserved at a\@secondoftwo
+%<latexrelease>  \expandafter\@tfor\expandafter\reserved at b\expandafter
+%<latexrelease>             :\expandafter=\input at path\do{%
+%<latexrelease>    \openin\@inputcheck\reserved at b#1 %
+%<latexrelease>    \ifeof\@inputcheck\else
+%<latexrelease>      \edef\@filef at und{\reserved at b#1 }%
+%<latexrelease>      \let\reserved at a\@firstoftwo%
+%<latexrelease>      \closein\@inputcheck
+%<latexrelease>      \@break at tfor
+%<latexrelease>    \fi}%
+%<latexrelease>  \reserved at a}
+%<latexrelease>
 %<latexrelease>\EndIncludeInRelease
 %<*2ekernel>
 %    \end{macrocode}
 %    
 %
 %
-% \begin{macro}{\@iffileonpath}
-% If the file is not found by |\openin|, and |\input at path| is defined,
-% look in all the directories specified in |\input at path|.
-% \changes{v0.9p}{1994/01/18}{Macro added}
-% \changes{v1.0f}{1994/05/02}
-%     {\cs{@break at loop} renamed to \cs{@break at tfor}}
-% \changes{v1.0t}{1995/05/25}
-%         {(CAR) added \cs{long}}
-% \changes{v1.1d}{1996/01/10}
-%     {Change argument handling to not require doubled hash. latex/2024}
-% \changes{v1.2d}{2019/10/26}{quote on openin}%
-%    \begin{macrocode}
-\long\def\@iffileonpath#1{%
-  \let\reserved at a\@secondoftwo
-  \expandafter\@tfor\expandafter\reserved at b\expandafter
-             :\expandafter=\input at path\do{%
-    \openin\@inputcheck\expandafter\quote at name\expandafter{\reserved at b#1} %
-    \ifeof\@inputcheck\else
-      \edef\@filef at und{"\reserved at b#1" }%
-      \let\reserved at a\@firstoftwo%
-      \closein\@inputcheck
-      \@break at tfor
-    \fi}%
-  \reserved at a}
-%    \end{macrocode}
-%  \end{macro}
 %
 % \begin{macro}{\InputIfFileExists}
 % \changes{v0.9b}