Dear Madhav,

As Suresh Kolichala says, several Unicode fonts include all the requisite glyphs.  I think you were also asking about a suitable keylaylout for Mac, to produce them.  EasyUnicode can handle that.  The basic repertoire of Indic transliteration characters are specially assigned to Opt+character+[letter] or Opt+Shift+[letter]. 

But the full set of “Unicode Combining Diacritical Marks” (0301-0362) are also available with EasyUnicode.

To add one to any letter, first type the letter destined to bear the diacritical mark, and then press opt+1 (a ring will appear temporarily) and then press the key assigned to the desired diacritical mark per the chart below.  For example:
   i. Type the letter "ā"

   ii. Press "option+1"
   iii. Press "e" which is assigned for the Unicode "Combining Acute Accent" (0301). Result: ā́

Examples:Acute: "option+1" and "e", Greve: "option+1" and "@", Breve: "option+1" and "b", Caron: "option+1" and "v",Ring below: "option+1" and "r"

Alternative diacritical marks can be called by "option+1" and then pressing "shift" key. 
Examples: Breve Below: "option+1" and "shift+b", Caron Below: "option+1" and "shift+v":

Best wishes,

Tim

Timothy Lubin
Jessie Ball duPont Professor of Religion, and Adjunct Professor of Law
Head of the Law, Justice, and Society Program
204 Tucker Hall
Washington and Lee University
Lexington, Virginia 24450

https://lubin.academic.wlu.edu/
http://wlu.academia.edu/TimothyLubin
https://hcommons.org/members/lubin/
https://ssrn.com/author=930949
https://dharma.hypotheses.org/people/lubin-timothy

From: INDOLOGY <indology-bounces@list.indology.info> on behalf of INDOLOGY <indology@list.indology.info>
Reply-To: Suresh Kolichala <suresh.kolichala@gmail.com>
Date: Sunday, January 15, 2023 at 6:15 PM
To: Madhav Deshpande <mmdesh@umich.edu>
Cc: INDOLOGY <indology@list.indology.info>
Subject: Re: [INDOLOGY] Help/advice

Dear Madhavji

Every Unicode font that is well implemented should support all the combinations of diacritics. For instance, here is what I get with Times New Roman and Arial, with length, nasal, and accents.

Attached is the word document I used. Let me know if it doesn't show correctly on your machines.

Thanks,

Suresh.

On Fri, Jan 13, 2023 at 11:28 PM Madhav Deshpande via INDOLOGY <indology@list.indology.info> wrote:

What font/keyboard-layout will allow me to type multiple diacritics on vowels, i.e length, nasality and accent? I want to type the 18 varieties of avarṇa as discussed by the grammarians. Any suggestions are welcome. Best,

Madhav M. Deshpande

Professor Emeritus, Sanskrit and Linguistics

University of Michigan, Ann Arbor, Michigan, USA

Senior Fellow, Oxford Center for Hindu Studies

Adjunct Professor, National Institute of Advanced Studies, Bangalore, India

[Residence: Campbell, California, USA]

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