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-rw-r--r--Master/texmf-dist/tex/luatex/optex/base/makeindex.opm3
1 files changed, 2 insertions, 1 deletions
diff --git a/Master/texmf-dist/tex/luatex/optex/base/makeindex.opm b/Master/texmf-dist/tex/luatex/optex/base/makeindex.opm
index 5904b494b49..c7e9b8ef4a3 100644
--- a/Master/texmf-dist/tex/luatex/optex/base/makeindex.opm
+++ b/Master/texmf-dist/tex/luatex/optex/base/makeindex.opm
@@ -283,7 +283,8 @@
\_cod -----------------------------
\_def\_makeindex{\_par
- \_ifx\_iilist\_empty \_opwarning{index data-buffer is empty. TeX me again}
+ \_ifx\_iilist\_empty \_opwarning{index data-buffer is empty. TeX me again}%
+ \_incr\_unresolvedrefs
\_else
\_dosorting \_iilist % sorting \_iilist
\_bgroup