Re: character-spacing & cursively-connected characters

[Matthias Clasen <maclas gmx de>]

On Thu, 2003-02-13 at 01:53, Damon Chaplin wrote:
> 
> Is it possible to determine if 2 clusters are cursively-connected?
> (i.e. the glyphs are joined up in some way.)
> 
> I think in some scripts like Arabic nearly all clusters are connected,
> and you can even get cursive Latin fonts.
> 
> I'm thinking of using character spacing in my justification routines,
> maybe just as a fallback for when word-spacing fails. But I can't really
> do that for cursively-connected clusters.
> 

How can word-spacing "fail" ?