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-rw-r--r--t/txinfo-many-output-formats.sh3
1 files changed, 2 insertions, 1 deletions
diff --git a/t/txinfo-many-output-formats.sh b/t/txinfo-many-output-formats.sh
index af58964f5..978417e60 100644
--- a/t/txinfo-many-output-formats.sh
+++ b/t/txinfo-many-output-formats.sh
@@ -128,7 +128,8 @@ test ! -e sub/main2.html
test ! -e rec/main3.html
# Make sure AM_MAKEINFOHTMLFLAGS is supported, and override AM_MAKEINFO.
-
+# Ensure that MAKEINFOFLAGS is not used for the following targets by using an
+# invalid option.
cp $srcdir/Makefile.am $srcdir/Makefile.sav
cat >> $srcdir/Makefile.am <<'EOF'
AM_MAKEINFOHTMLFLAGS = --no-headers --no-split