Plain text custom fraction input

Khaled Hosny khaledhosny at
Thu Jul 23 07:59:20 CDT 2015

On Wed, Jul 22, 2015 at 11:54:02PM +0100, Richard Wordingham wrote:
> On Wed, 22 Jul 2015 12:21:32 +0200 (CEST)
> Marcel Schneider <charupdate at> wrote:
> > On 22 Jul 2015, at 09:52, Richard Wordingham  wrote:
> > We never thought of common hieroglyphs otherwise as running LTR,
> > while on monuments the great liberty of the script allows to run in
> > amost all directions. IMO monumental transcription is always
> > difficult to deal with, whenever exact rendering is expected.
> > However, since Unicode's purpose is plain text encoding, we must
> > stick with what I consider as a convention in egyptology...
> Which means that Ancient Egyptian hieroglyphs are unencoded!  Their
> default direction is right-to-left, but that's only the start of the
> trouble.  The encoded hieroglyphs aren't Bidi-mirrored, so if I embed
> then in a right-to-left override, I should get retrograde characters.

At least in OpenType, you can have mirrored glyphs in the font (which
you will need in any case) and use a “rtlm” feature which should be
applied when the text is being typeset right-to-left (naturally or


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