patch 8.2.2634: 'tagfunc' does not indicate using a patternv8.2.2634

Problem:    'tagfunc' does not indicate using a pattern.
Solution:   Add the "r" flag. (Andy Massimino, closes #7982)

1 files changed, 4 insertions, 3 deletions

diff --git a/src/tag.c b/src/tag.c
index f26c7cd63..37ed66c6e 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -1308,7 +1308,7 @@ find_tagfunc_tags(
     int         result = FAIL;
     typval_T	args[4];
     typval_T	rettv;
-    char_u      flagString[3];
+    char_u      flagString[4];
     dict_T	*d;
     taggy_T	*tag = &curwin->w_tagstack[curwin->w_tagstackidx];
 
@@ -1335,9 +1335,10 @@ find_tagfunc_tags(
     args[3].v_type = VAR_UNKNOWN;
 
     vim_snprintf((char *)flagString, sizeof(flagString),
-		 "%s%s",
+		 "%s%s%s",
 		 g_tag_at_cursor      ? "c": "",
-		 flags & TAG_INS_COMP ? "i": "");
+		 flags & TAG_INS_COMP ? "i": "",
+		 flags & TAG_REGEXP   ? "r": "");
 
     save_pos = curwin->w_cursor;
     result = call_vim_function(curbuf->b_p_tfu, 3, args, &rettv);