[XeTeX] long s

[Gerrit Sangel]

Hello list,

If the discussion currently deals with German, I thought this would be the 
right time to ask a question concerning German ;)

I have modified a Fraktur font to correctly support Unicode and Opentype (with 
Ligatures and so on). This all works fine.

But the thing is, the babel package has some rules for old German orthography 
(although I now read I shouldn’t use babel?), but I would guess only for the 
antiqua writing with s. In Fraktur writing, words are still written with ſ.

e.g. “Ausſuchen” (=“choose”).

The hyphenating there is really easy, it is “aus-ſuchen”, but I guess babel 
does not support this until now.
Another problem occurs with the zero width non joiner, which is sometimes 
needed e.g. for “auffangen” which has a ZWNJ between the two f and thus is 
also hyphenated there. 

Are there any solutions, yet? Or should I use \- every time?