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-rw-r--r--tex/context/base/mkiv/syst-aux.mkiv6
1 files changed, 6 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/syst-aux.mkiv b/tex/context/base/mkiv/syst-aux.mkiv
index 20716786d..43d9c6b31 100644
--- a/tex/context/base/mkiv/syst-aux.mkiv
+++ b/tex/context/base/mkiv/syst-aux.mkiv
@@ -4976,6 +4976,12 @@
\unexpanded\def\gobbleuntilrelax#1\relax
{}
+% experimental
+
+\unexpanded\def\gobblenested#1#2#3%
+ {\normalexpanded{\def\next##1\csname#2\endcsname}{\csname#3\endcsname}%
+ \next}%
+
%D The next one simply expands the pickup up tokens.
%D
%D \starttyping