patch 8.2.2974: Greek spell checking uses wrong case folding Commit: https://github.com/vim/vim/commit/4f135275984722c1b1e9ace72eeeb7ce7e4ec983 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 11 19:07:40 2021 +0200 patch 8.2.2974: Greek spell checking uses wrong case folding Problem: Greek spell checking uses wrong case folding. Solution: Fold capital sigma depending on whether it is at the end of a word or not. (closes #299)

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}\")