patch 8.1.1510: a plugin cannot easily expand a command like done internally commit https://github.com/vim/vim/commit/80dad48c5095d30873a42ec82628bdb213125d8e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 9 17:22:31 2019 +0200 patch 8.1.1510: a plugin cannot easily expand a command like done internally Problem: A plugin cannot easily expand a command like done internally. Solution: Add the expandcmd() function. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4514)

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}\")