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Diffstat (limited to 'tex/context/base/core-env.mkiv')
-rw-r--r-- | tex/context/base/core-env.mkiv | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tex/context/base/core-env.mkiv b/tex/context/base/core-env.mkiv index 30fc83b4b..01d127d2f 100644 --- a/tex/context/base/core-env.mkiv +++ b/tex/context/base/core-env.mkiv @@ -149,7 +149,11 @@ \rawprocesscommacommand[#1]\syst_modes_define_indeed} \def\syst_modes_define_indeed#1% - {\syst_modes_new{#1}% + {\ifcsname\??mode#1\endcsname + % already set + \else + \syst_modes_new{#1} + \fi \ifx\m_modes_asked\v!keep % not changes, disabled when undefined \else |