[luatex] Hyphenation in plain TeX

Reinhard Kotucha reinhard.kotucha at web.de
Fri Oct 8 13:20:48 CEST 2010


On 8 October 2010 Khaled Hosny wrote:

 > On Fri, Oct 08, 2010 at 12:59:45PM +0200, Reinhard Kotucha wrote:
 > > On 8 October 2010 Mojca Miklavec wrote:
 > > 
 > >  > Now imagine user A using both German and French patterns. When he
 > >  > switches from German to French - should we switch all the German
 > >  > lccodes for äöü back to undefined? If we don't, there's a chance that
 > >  > the user will get different hyphenation for French (let's say that the
 > >  > text contains a name with some German letters) depending on whether he
 > >  > was typesetting a French-only or mixed language document.
 > >  > 
 > >  > Now imagine user B using some package that deals with Unicode and sets
 > >  > all the lccodes for the whole Unicode range. If we do change the
 > >  > lccodes back to undefined when switching from German to French, the
 > >  > user will have all the letters for the whole Unicode range properly
 > >  > defined, except for some umlauts which we modified without user's
 > >  > consent.
 > > 
 > > Now imagine user C is writing in Vietnamese.  There are no patterns
 > > for Vietnamese, but \uccode/\lccode values have to be set somewhere.
 > 
 > And how bad is that?

The absence of hyphenation patterns?  They are not needed because
words are very short.  And since words consist of single syllables,
there are no reasonable breakpoints.

Example:  Hỗ trợ tiếng Việt cho TeX.

Regards,
  Reinhard

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