commit https://github.com/vim/vim/commit/81edd171a9465cf99cede4fa4a7b7bca3d538b0f Author: Bram Moolenaar <Bram@vim.org> Date: Thu Apr 14 13:51:37 2016 +0200 patch 7.4.1728 Problem: The help for functions require a space after the "(". Solution: Make CTRL-] on a function name ignore the arguments. (Hirohito Higashi)

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}\")