patch 8.1.0241: effect of ":tabmove N" is not clear commit https://github.com/vim/vim/commit/7cc596547a582e7bc18d91312eb674906ebdc5c2 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 7 13:14:46 2018 +0200 patch 8.1.0241: effect of ":tabmove N" is not clear Problem: Effect of ":tabmove N" is not clear. Solution: Add a test that shows the behavior. (Christian Brabandt, closes #3288)

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}\")