patch 7.4.1142
Problem: Cannot define keyword characters for a syntax file.
Solution: Add the ":syn iskeyword" command. (Christian Brabandt)
diff --git a/src/option.c b/src/option.c
index bc88d45..cd7064c 100644
--- a/src/option.c
+++ b/src/option.c
@@ -5494,6 +5494,7 @@
#endif
#ifdef FEAT_SYN_HL
check_string_option(&buf->b_p_syn);
+ check_string_option(&buf->b_s.b_syn_isk);
#endif
#ifdef FEAT_SPELL
check_string_option(&buf->b_s.b_p_spc);
@@ -10821,6 +10822,7 @@
/* Don't copy 'syntax', it must be set */
buf->b_p_syn = empty_option;
buf->b_p_smc = p_smc;
+ buf->b_s.b_syn_isk = empty_option;
#endif
#ifdef FEAT_SPELL
buf->b_s.b_p_spc = vim_strsave(p_spc);