[Silgraphite-fonts] GDL question: Matching and replacing two subsequent identical characters?

[Carsten B. <ca...@gm...>]

Hi,

I've got another question regarding GDL and substitution: How do I match 
and replace two subsequent identical characters? What I want to do is 
basically this:

   Consonant Same_Consonant > Consonant Gemination_Diacritic

Since according to the documentation it's not possible to use 
referencing with @ or $ on the LHS, I'm a little stumped. Is this maybe 
solvable with some flag, or a recursive rule?

Regards
Carsten

-- 
Currently developing Tagāti Book G: http://bit.ly/Ml5xb8