patch 8.2.0459: cannot check if a function name is correct Commit: https://github.com/vim/vim/commit/15c476023f3c5fb32eb1936c5eb5f0f5f413f3c7 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 26 22:16:48 2020 +0100 patch 8.2.0459: cannot check if a function name is correct Problem: Cannot check if a function name is correct. Solution: Add "?funcname" to exists().

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}\")