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-rw-r--r--usr.bin/m4/tests/gnupatterns.m44
1 files changed, 4 insertions, 0 deletions
diff --git a/usr.bin/m4/tests/gnupatterns.m4 b/usr.bin/m4/tests/gnupatterns.m4
new file mode 100644
index 0000000..735d1cf
--- /dev/null
+++ b/usr.bin/m4/tests/gnupatterns.m4
@@ -0,0 +1,4 @@
+dnl $FreeBSD$
+patsubst(`string with a + to replace with a minus', `+', `minus')
+patsubst(`string with aaaaa to replace with a b', `a+', `b')
+patsubst(`+string with a starting + to replace with a minus', `^+', `minus')
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