patch 8.0.0274: possible recursive screen updating causes trouble commit https://github.com/vim/vim/commit/070b33da93ad3a191664bb61f5ccc50781460c03 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 31 21:53:39 2017 +0100 patch 8.0.0274: possible recursive screen updating causes trouble Problem: When update_single_line() is called recursively, or another screen update happens while it is busy, errors may occur. Solution: Check and update updating_screen. (Christian Brabandt)

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}\")