commit https://github.com/vim/vim/commit/670acbc70f371409b46b722bd9a1166e53574f42 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 25 11:58:36 2015 +0200 patch 7.4.828 Problem: Crash when using "syn keyword x c". (Dominique Pelle) Solution: Initialize the keyword tabble. (Raymond Ko, PR 397)

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")