+/* -------------------------------------------------------
+ FIXME !!!
+
+ Early Mac OS X (10.0-10.4.?) had the limitation up to 255 Byte.
+ Current implementation is:
+ volcharset -> UTF16-MAC -> truncated 255 UTF8-MAC
+
+ Recent Mac OS X (10.4.?-) don't have this limitation.
+ Desirable implementation is:
+ volcharset -> truncated 510 UTF16-MAC -> UTF8-MAC