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-rw-r--r--tex/context/base/mkiv/core-con.mkiv19
1 files changed, 19 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/core-con.mkiv b/tex/context/base/mkiv/core-con.mkiv
index d0e53833d..3ac33f46f 100644
--- a/tex/context/base/mkiv/core-con.mkiv
+++ b/tex/context/base/mkiv/core-con.mkiv
@@ -946,4 +946,23 @@
data {#1}%
\relax}
+%D For those who sart counting at zero:
+%D
+%D \starttyping
+%D \defineconversionset [zero] [n,zero] [n]
+%D
+%D \setuphead [sectionconversionset=zero]
+%D
+%D \starttext
+%D \startchapter [title=Introduction]
+%D \startsection [title=First topic] \stopsection
+%D \startsection [title=Second topic] \stopsection
+%D \stopchapter
+%D \stoptext
+%D \stoptyping
+
+\def\zeronumberconversion#1{\number\numexpr#1-\plusone\relax}
+
+\defineconversion [zero] [\zeronumberconversion]
+
\protect \endinput