patch 8.1.1061: when substitute string throws error, substitute happens anyway commit https://github.com/vim/vim/commit/0e97b9487571cf725a9cb28fe4dcefc800415f69 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 27 22:53:53 2019 +0100 patch 8.1.1061: when substitute string throws error, substitute happens anyway Problem: When substitute string throws error, substitute happens anyway. Solution: Skip substitution when aborting. (closes https://github.com/vim/vim/issues/4161)

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}\")