picked up via XML catalog in freebsd50.ent or xhtml10-freebsd.dtd,
not entities.ent. The L10N entities always come first to be able to
override everything.
- Define as   in EUC-JP encoding. This is a workaround to
prevent an invalid character in EUC-JP caused by converting 0xa0 in
UTF-8 (EUC-JP does not allow 0xa0) in XSLT processing. Theoretically
it should be   still in the final XML output.
- Make XML catalog resolution consistent for l10n.ent. This should be
revisited for the others later.