Re: string_char_to_byte and string_byte_to_char micro-optimisation

[Stefan Monnier]

> I don't think that will do for this case.  Strings are used rather
> rarely in Emacs.  We need to find a command that uses strings
> extensively, and uses non-ASCII text in strings in particular.

... and uses `aref` on it extensively.
Most strings are used via regexp-search in which case the conversion
between charpos and bytepos is generally lost in the noise.


        Stefan