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-rw-r--r--tex/context/base/mkxl/typo-prc.mklx2
1 files changed, 2 insertions, 0 deletions
diff --git a/tex/context/base/mkxl/typo-prc.mklx b/tex/context/base/mkxl/typo-prc.mklx
index f2df32986..f9a8f8e5e 100644
--- a/tex/context/base/mkxl/typo-prc.mklx
+++ b/tex/context/base/mkxl/typo-prc.mklx
@@ -54,6 +54,8 @@
\installcommandhandler \??processor {processor} \??processor
+\mutable\let\currentprocessor\empty % weird that this is needed
+
\appendtoks
\letcsname\??processorcheck\currentprocessor\endcsname\relax
\clf_registerstructureprocessor{\currentprocessor}% global, but it permits using processor that are yet undefined