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-rw-r--r--Build/source/texk/web2c/cwebdir/cwebmac.tex1
1 files changed, 1 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/cwebdir/cwebmac.tex b/Build/source/texk/web2c/cwebdir/cwebmac.tex
index 85ac02587bb..97ce9db3253 100644
--- a/Build/source/texk/web2c/cwebdir/cwebmac.tex
+++ b/Build/source/texk/web2c/cwebdir/cwebmac.tex
@@ -13,6 +13,7 @@
\def\Black{\pdfliteral{0 g 0 G}} % use rgb colors for direct PDF output too
\def\Blue{\pdfliteral{\pdflinkcolor\space rg \pdflinkcolor\space RG}}
\fi
+\let\ifacro=\ifpdf
\newif\ifacrohint \ifpdf\acrohinttrue\fi \ifhint\acrohinttrue\fi
\let\:=\. % preserve a way to get the dot accent