patch 8.2.1947: crash when using "zj" without folds Commit: https://github.com/vim/vim/commit/c136a3528b7ebb825c3863d701af44f023381181 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 3 20:05:40 2020 +0100 patch 8.2.1947: crash when using "zj" without folds Problem: Crash when using "zj" without folds. (Sean Dewar) Solution: Check for at least one fold. (closes https://github.com/vim/vim/issues/7245)

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}\")