updated for version 7.4.105

Problem:    Completing a tag pattern may give an error for invalid pattern.
Solution:   Suppress the error, just return no matches.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/tag.c b/src/tag.c
index e7ea52a29..be80a1165 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -1326,6 +1326,7 @@ find_tags(pat, num_matches, matchesp, flags, mincount, buf_ffname)
     int		match_no_ic = 0;/* matches with rm_ic == FALSE */
     int		match_re;	/* match with regexp */
     int		matchoff = 0;
+    int		save_emsg_off;
 
 #ifdef FEAT_EMACS_TAGS
     /*
@@ -1442,7 +1443,10 @@ find_tags(pat, num_matches, matchesp, flags, mincount, buf_ffname)
     if (p_tl != 0 && orgpat.len > p_tl)		/* adjust for 'taglength' */
 	orgpat.len = p_tl;
 
+    save_emsg_off = emsg_off;
+    emsg_off = TRUE;  /* don't want error for invalid RE here */
     prepare_pats(&orgpat, has_re);
+    emsg_off = save_emsg_off;
     if (has_re && orgpat.regmatch.regprog == NULL)
 	goto findtag_end;