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-rw-r--r--m4/regex.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/m4/regex.m4 b/m4/regex.m4
index 41c3c8705..93efa3af4 100644
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -1,4 +1,4 @@
-#serial 17
+#serial 19
dnl Initially derived from code in GNU grep.
dnl Mostly written by Jim Meyering.