--- /dev/null
+#!/bin/sh
+
+# Test ObjectiveC support: --add-comments option.
+
+tmpfiles=""
+trap 'rm -fr $tmpfiles' 1 2 3 15
+
+tmpfiles="$tmpfiles xg-ob-2.m"
+cat <<EOF > xg-ob-2.m
+// This comment will not be extracted.
+print (NSLocalizedString (@
+"help"));
+// TRANSLATORS: This is an extracted comment.
+print (NSLocalizedString (@
+"me"));
+/* Not extracted either. */
+print (NSLocalizedString (@
+"Hey Jude"));
+/* TRANSLATORS:
+ Nickname of the Beatles
+*/
+print (NSLocalizedString (@
+"The Fabulous Four"));
+/* TRANSLATORS: The strings get concatenated. */
+print (NSLocalizedString (@ "there is not enough"
+@" room on a single line for this entire long, " // confusing, eh?
+@ "verbose string"));
+EOF
+
+tmpfiles="$tmpfiles xg-ob-2.po"
+: ${XGETTEXT=xgettext}
+${XGETTEXT} --omit-header --no-location --add-comments=TRANSLATORS: \
+ xg-ob-2.m -d xg-ob-2
+test $? = 0 || { rm -fr $tmpfiles; exit 1; }
+
+tmpfiles="$tmpfiles xg-ob-2.ok"
+cat <<EOF > xg-ob-2.ok
+msgid "help"
+msgstr ""
+
+#. TRANSLATORS: This is an extracted comment.
+msgid "me"
+msgstr ""
+
+msgid "Hey Jude"
+msgstr ""
+
+#. TRANSLATORS:
+#. Nickname of the Beatles
+#.
+msgid "The Fabulous Four"
+msgstr ""
+
+#. TRANSLATORS: The strings get concatenated.
+msgid ""
+"there is not enough room on a single line for this entire long, verbose "
+"string"
+msgstr ""
+EOF
+
+: ${DIFF=diff}
+${DIFF} xg-ob-2.ok xg-ob-2.po
+result=$?
+
+rm -fr $tmpfiles
+
+exit $result