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Diffstat (limited to 'tex/context/base/syst-aux.mkiv')
-rw-r--r-- | tex/context/base/syst-aux.mkiv | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tex/context/base/syst-aux.mkiv b/tex/context/base/syst-aux.mkiv index a5551b954..4a8c8d32f 100644 --- a/tex/context/base/syst-aux.mkiv +++ b/tex/context/base/syst-aux.mkiv @@ -3088,6 +3088,14 @@ \fi \unexpanded\def#1} +\unexpanded\def\definemacro#1% + {\ifdefined#1% + \message{[\noexpand#1is already defined]}% + \unexpanded\expandafter\def\expandafter\gobbleddefinition + \else + \unexpanded\expandafter\def + \fi#1} + % \define\hans{hans} % \redefine\hans{hans} % \define\hans#1[]#2#3{hans} |