Problem: Build failure without the +eval feature.
Solution: Add dummys for ex_block and ex_endblock.
static void ex_tag(exarg_T *eap);
static void ex_tag_cmd(exarg_T *eap, char_u *name);
#ifndef FEAT_EVAL
+# define ex_block ex_ni
# define ex_break ex_ni
# define ex_breakadd ex_ni
# define ex_breakdel ex_ni
# define ex_echo ex_ni
# define ex_echohl ex_ni
# define ex_else ex_ni
+# define ex_endblock ex_ni
# define ex_endfunction ex_ni
# define ex_endif ex_ni
# define ex_endtry ex_ni
static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 1828,
/**/
1827,
/**/