patch 8.2.3665: cannot use a lambda for 'tagfunc'
Problem: Cannot use a lambda for 'tagfunc'.
Solution: Use 'tagfunc' like 'opfunc'. (Yegappan Lakshmanan, closes #9204)
diff --git a/src/structs.h b/src/structs.h
index d9d3e30..bef7062 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -2878,7 +2878,8 @@
char_u *b_p_ofu; // 'omnifunc'
#endif
#ifdef FEAT_EVAL
- char_u *b_p_tfu; // 'tagfunc'
+ char_u *b_p_tfu; // 'tagfunc' option value
+ callback_T b_tfu_cb; // 'tagfunc' callback
#endif
int b_p_eol; // 'endofline'
int b_p_fixeol; // 'fixendofline'