-ca in Sanskrit and Bartholomae's law

[Vidhyanath Rao]

"Oliver Neukum" <Oliver.Neukum at lrz.uni-muenchen.de> wrote:

> could someone explain why Bartholomae's law never affects -ca ?

Isn't Bartholomae's Law limited to 'word"-internal sandhi, and not
applicable even to compounds? [even secondary affixes seem to be immune
to internal sandhi] I can't find any primary suffixes that begin with c
or j [and primary suffixes that begin with k, g, p seem to rare and not
productive].