[INDOLOGY] ligature in grantha script

[François Patte]

Bonjour,

In an 18th century manuscript I found a ligature "rya" (see attached 
document) which is not as this ligature is supposed to be in grantha: 
the ligature r-y does not follow the same rule as for other letters 
(d-y, t-y etc.) but here r is treated as the other letters.

Is it a scribe mistake or does this ligature exists (or has existed) as 
a variant?

Thank you.
-- 
François Patte
UFR de mathématiques et informatique
Laboratoire CNRS MAP5, UMR 8145
Université Paris Descartes
45, rue des Saints Pères
F-75270 Paris Cedex 06
Tél. +33 (0)6 7892 5822
http://www.math-info.univ-paris5.fr/~patte
FSF
https://www.fsf.org/blogs/community/presenting-shoetool-happy-holidays-from-the-fsf
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