regression: do not show unset or empty tags - stagit

commit f05e6b0fcb3b874180970d06ebcde05fb5aea470
parent d80a163acd47df2bd9ab145be6b249814aa9eceb
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Mon, 20 Jul 2020 14:15:12 +0200

regression: do not show unset or empty tags

Diffstat:
M stagit.c  | 2 +-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/stagit.c b/stagit.c
@@ -797,7 +797,7 @@ printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag)
     }
     if (ci->summary) {
         fputs("<title type=\"text\">", fp);
-        if (tag) {
+        if (tag && tag[0]) {
             fputs("[", fp);
             xmlencode(fp, tag, strlen(tag));
             fputs("] ", fp);