patch 8.2.0853: ml_delete() often called with FALSE argument Commit: https://github.com/vim/vim/commit/ca70c07b72c24aae3d141e67d08f50361f051af5 Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 30 20:30:46 2020 +0200 patch 8.2.0853: ml_delete() often called with FALSE argument Problem: ml_delete() often called with FALSE argument. Solution: Use ml_delete_flags(x, ML_DEL_MESSAGE) when argument is TRUE.

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}\")