patch 9.0.0740: prop_add_list() gives multiple errors for invalid argument Commit: https://github.com/vim/vim/commit/4997f2a605e15261c4f825494324371f271ef6a8 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 13 14:00:45 2022 +0100 patch 9.0.0740: prop_add_list() gives multiple errors for invalid argument Problem: prop_add_list() gives multiple errors for invalid argument. Solution: Only give one error message.

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}\")