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-rw-r--r--Master/texmf-dist/tex/context/base/syst-ext.tex6
1 files changed, 6 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/syst-ext.tex b/Master/texmf-dist/tex/context/base/syst-ext.tex
index 262d5f0b0df..bee6049bf24 100644
--- a/Master/texmf-dist/tex/context/base/syst-ext.tex
+++ b/Master/texmf-dist/tex/context/base/syst-ext.tex
@@ -2521,6 +2521,12 @@
{\scratchcounter#2%
\setxvalue{#1}{\the\scratchcounter}}
+\def\incrementcounter#1#2% #1 name #2 value
+ {\setxvalue{#1}{\the\numexpr\csname#1\endcsname+#2\relax}}
+
+\def\decrementcounter#1#2% #1 name #2 value
+ {\setxvalue{#1}{\the\numexpr\csname#1\endcsname-#2\relax}}
+
%D \macros
%D {savecounter,restorecounter}
%D