Dear Harry,

I cannot say that this is a “standard” but it has become common practice in Tibetan scholarship to use ‘m’ with underdot for the anusvara, and ‘m’ with overdot for candrabindu.

Regards,

Paul Hackett


On Mar 2, 2026, at 8:48 AM, Harry Spier via INDOLOGY <indology@list.indology.info> wrote:

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Dear everyone,
Daniel BAlogh wrote:
I dare say that as far as IAST can be considered a standard, the "correct" IAST anusvāra is ṃ
Walter Slaje wrote:
 I believe that whether one uses ṃ or ṁ, there will be no undesirable consequences.

The reason I asked the question was because of search engines.
The Searchable Sanskrit Library has a search engine covering multiple collections so all anusvara's (like all other letters in it) need to follow the same convention (either overdot or underdot) .  But it seems that since all the collections I've seen use m underdot thats been chosen as the de facto standard. 

Thanks,
Harry Spier

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