patch 8.0.1290: seq_cur of undotree() wrong after undo commit https://github.com/vim/vim/commit/80eaddd3a0bc47cb14168964678420cfe03a2502 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 11 23:37:08 2017 +0100 patch 8.0.1290: seq_cur of undotree() wrong after undo Problem: seq_cur of undotree() wrong after undo. Solution: Get the actual sequence number instead of decrementing the current one. (Ozaki Kiichi, closes #2319)

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}\")