[latex3-commits] [l3svn] 02/02: One \tex_lowercase:D => \char_generate:nn

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joseph pushed a commit to branch master
in repository l3svn.

commit f3c5623b1c3204d913aab15ba85d631d958efc75
Author: Joseph Wright <joseph.wright at morningstar2.co.uk>
Date:   Fri Mar 25 17:15:30 2016 +0000

    One \tex_lowercase:D => \char_generate:nn
---
 l3kernel/l3msg.dtx |   13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/l3kernel/l3msg.dtx b/l3kernel/l3msg.dtx
index 82ad7b0..73c0d9e 100644
--- a/l3kernel/l3msg.dtx
+++ b/l3kernel/l3msg.dtx
@@ -2015,9 +2015,8 @@
 %   (with category code $7$) and keep tokens until that space character,
 %   dropping everything else until \cs{q_stop}. The \cs{exp_end:} prevents
 %   losing braces around the user-inserted text if any, and stops the
-%   expansion of \cs{exp:w}.  One group is used to keep the settings
-%   for \tn{lowercase} local and the other one is used to prevent
-%   |\LaTeX3~error:| from being equal to \cs{scan_stop:}.
+%   expansion of \cs{exp:w}.  The group is used to prevent
+%   |\LaTeX3~error:| from being globally equal to \cs{scan_stop:}.
 %    \begin{macrocode}
 \group_begin:
 \cs_set_protected:Npn \@@_tmp:w #1#2
@@ -2034,11 +2033,9 @@
       }
     \cs_new:Npn \@@_expandable_error:w ##1 #1 ##2 #1 {##1}
   }
-\group_begin:
-\char_set_catcode_math_superscript:N \^
-\char_set_lccode:nn { `^ } { `\  }
-\tex_lowercase:D
-  { \group_end: \exp_args:NNc \@@_tmp:w ^ } { LaTeX3~error: }
+\exp_args:NNnx \exp_args:Nx \@@_tmp:w
+  { \char_generate:nn { `\  } { 7 } }
+  { \exp_not:c { LaTeX3~error: } }
 %    \end{macrocode}
 % \end{macro}
 % \end{macro}

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