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-rwxr-xr-xt/help4.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/t/help4.sh b/t/help4.sh
index 9747968b1..d51e0c41a 100755
--- a/t/help4.sh
+++ b/t/help4.sh
@@ -29,7 +29,7 @@ ACLOCAL=$am_original_ACLOCAL
AUTOMAKE=$am_original_AUTOMAKE
escape_dots () { sed 's/\./\\./g'; } # Avoid issues with "\" in backquotes.
-apiversion_rx=`echo "$APIVERSION" | escape_dots`
+apiversion_rx=$(echo "$APIVERSION" | escape_dots)
$ACLOCAL --version --help >stdout || { cat stdout; Exit 1; }
cat stdout