patch 8.2.1901: variable completion does not work in command line window Commit: https://github.com/vim/vim/commit/4ff2f2fb6bef01a06bd726bae8dfa8dd6355d594 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 25 13:22:42 2020 +0100 patch 8.2.1901: variable completion does not work in command line window Problem: Variable completion does not work in command line window. Solution: Use the "prevwin". (closes https://github.com/vim/vim/issues/7198)

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}\")