patch 7.4.2230
Problem: There is no equivalent of 'smartcase' for a tag search.
Solution: Add value "followscs" and "smart" to 'tagcase'. (Christian
Brabandt, closes #712) Turn tagcase test into new style.
diff --git a/src/proto/search.pro b/src/proto/search.pro
index 339aa34..3b9ca5c 100644
--- a/src/proto/search.pro
+++ b/src/proto/search.pro
@@ -7,6 +7,7 @@
void restore_search_patterns(void);
void free_search_patterns(void);
int ignorecase(char_u *pat);
+int ignorecase_opt(char_u *pat, int ic_in, int scs);
int pat_has_uppercase(char_u *pat);
char_u *last_csearch(void);
int last_csearch_forward(void);