It looks like the sed "a" in test-anno didn't emit a trailing

newline on OpenBSD.  It does on other platforms.  Try using
awk instead.

diff --git a/test/anno/test-anno b/test/anno/test-anno
index b329fa662151af90449338254f72116f421606cf..a655d2c39bf0c3d282d232ad8ecd1b7fa3b2c743 100755 (executable)
--- a/test/anno/test-anno
+++ b/test/anno/test-anno
@@ -122,8 +122,8 @@ check "$expected" "$actual"
 rm "${MH_TEST_DIR}/Mail/draft"
 
 # check -append
 rm "${MH_TEST_DIR}/Mail/draft"
 
 # check -append

-sed -e '5a\
-Nmh-test:' "${MH_TEST_DIR}/Mail/inbox/1" >"$expected"
+awk --posix 'NR==6{print "Nmh-test:"}1' <"${MH_TEST_DIR}/Mail/inbox/1" \
+  >"$expected"

 anno 1 -component Nmh-test -append
 sed -e 's/^Nmh-test:.*/Nmh-test:/' "${MH_TEST_DIR}/Mail/inbox/1" >"$actual"
 check "$expected" "$actual"
 anno 1 -component Nmh-test -append
 sed -e 's/^Nmh-test:.*/Nmh-test:/' "${MH_TEST_DIR}/Mail/inbox/1" >"$actual"
 check "$expected" "$actual"