[latex3-commits] [git/LaTeX3-latex3-latex2e] hotfix/gh422: Protect against losing braces (d354082c)

[PhelypeOleinik]

Repository : https://github.com/latex3/latex2e
On branch  : hotfix/gh422
Link       : https://github.com/latex3/latex2e/commit/d354082c04839b0d31a7a89a93b9e16bc8567bf3

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

commit d354082c04839b0d31a7a89a93b9e16bc8567bf3
Author: PhelypeOleinik <phelype.oleinik at latex-project.org>
Date:   Sat Nov 7 14:59:04 2020 -0300

    Protect against losing braces


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

d354082c04839b0d31a7a89a93b9e16bc8567bf3
 base/ltclass.dtx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/base/ltclass.dtx b/base/ltclass.dtx
index ce5398d2..55aa4704 100644
--- a/base/ltclass.dtx
+++ b/base/ltclass.dtx
@@ -696,13 +696,15 @@
 %
 %
 % \begin{macro}{\@kernel at currpathstack}
-%   Path to the current file if explicitly given.
+%   Path to the current file if explicitly given.  The auxiliary is
+%   needed here to insert a \cs{@empty} to prevent the loss of braces.
 %   \changes{v1.3u}{2020/11/07}{Macro added}
 %    \begin{macrocode}
 \gdef\@kernel at currpathstack{}
-\def\@p at pfilepath#1#2\@nil{%
-  \gdef\@currpath{#1}%
-  \gdef\@kernel at currpathstack{#2}}
+\def\@p at pfilepath#1{%
+  \gdef\@currpath{#1}\@p at pfilepath@aux\@empty}
+\def\@p at pfilepath@aux#1\@nil{%
+  \xdef\@kernel at currpathstack{#1}}
 %    \end{macrocode}
 % \end{macro}
 %