Gheppanti vs. Ga.nhaanti in Kaccayana

Mason's interpretation of Kaccayana explains (or assumes?) that Gheppanti
and Ga.nhaanti are one and the same verb.  I have never seen Gheppaami /
gheppasi / gheppanti before, and the original verse in the
Kaccayanavyakarana simply lists them as two examples (and, NB, in the same
fashion that prior verses have listed examples of various different verbs).

So my question is a simple one: are these in fact two forms of the same
verb?   Or is Gheppanti of a different meaning/root from ga.nhaanti?

Sorry, but my lexical resources are proving to be of no help at all on this
quesiton.

E.M.

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