> On 23 Jul 2015, at 00:54, Richard Wordingham > <richard.wording...@ntlworld.com> wrote: > > On Wed, 22 Jul 2015 12:21:32 +0200 (CEST) > Marcel Schneider <charupd...@orange.fr> 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. > Now these aren't totally useless, but at present we seem to need a > duplicate set of right-to-left hieroglyphs for unstacked text. There > is work in progress to allow normal Egyptological hieroglyphic text.
Egyptian hieroglyphs are read in the direction the heads are facing. So you need more than an RTL mapping.
