commit https://github.com/vim/vim/commit/ab9fc7e0cf22bcee119b62d3433cac60f405e645 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 6 15:29:40 2016 +0100 patch 7.4.1266 Problem: A BufAdd autocommand may cause an ml_get error (Christian Brabandt) Solution: Increment RedrawingDisabled earlier.

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}\")