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-rw-r--r--Master/texmf-dist/source/latex/l3kernel/l3clist.dtx5
1 files changed, 3 insertions, 2 deletions
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx b/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
index dd0ba51b688..4876e488bd3 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
@@ -43,7 +43,7 @@
% }^^A
% }
%
-% \date{Released 2017/04/01}
+% \date{Released 2017/05/13}
%
% \maketitle
%
@@ -1553,7 +1553,8 @@
\clist_if_empty:NF #1
{
\int_gincr:N \g__prg_map_int
- \cs_gset:cpn { __prg_map_ \int_use:N \g__prg_map_int :w } ##1 {#2}
+ \cs_gset_protected:cpn
+ { __prg_map_ \int_use:N \g__prg_map_int :w } ##1 {#2}
\exp_last_unbraced:Nco \@@_map_function:Nw
{ __prg_map_ \int_use:N \g__prg_map_int :w }
#1 , \q_recursion_tail ,