Counting Devanagari Aksharas

[Eli Zaretskii via Unicode]

> Date: Sat, 22 Apr 2017 11:13:16 +0100
> From: Richard Wordingham via Unicode <unicode at unicode.org>
> 
> At present these are split into two and three grapheme clusters
> respectively, and LibreOffice cursor movement responds accordingly.
> (SIGN AA starts a grapheme cluster in several scripts of further
> India.)  However, if one teaches the Emacs editor what a Tai Tham
> syllable is, so that it can use the M17n rendering library, the cursor
> then advances syllable by syllable, which is unpleasant for imperfect
> typists.

AFAIR, Emacs allows one to _delete_ individual characters,
i.e. Backspace and C-d delete character-by-character, so the problem
shouldn't be so grave for imperfect typists.  Movement by grapheme
cluster is AFAIK the most natural way of moving in complex scripts.