patch 9.0.0189: invalid memory access for text prop without highlight Commit: https://github.com/vim/vim/commit/87f3a2ca3d0ffbfa7389bbb89add4d8d3fca6fbb Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 10 20:50:23 2022 +0100 patch 9.0.0189: invalid memory access for text prop without highlight Problem: Invalid memory access for text prop without highlight. Solution: Check for a valid highlight ID.

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}\")