if (stack[sptr].param[i][0])
av_bprintf(dst, "%s", stack[sptr].param[i]);
}
- } else if (!tagname[1] && strspn(tagname, "bisu") == 1) {
+ } else if (tagname[0] && !tagname[1] && strspn(tagname, "bisu") == 1) {
av_bprintf(dst, "{\\%c%d}", tagname[0], !tag_close);
} else {
unknown = 1;