On 17 Jul 2011, at 10:14, Julian Bradfield wrote: >> The RTL and LTR overrides *function* on the text when inserted into text. So >> you can't use those with glyphs in a font to represent for example the UCS >> dotted-boxes-with-letters, because they are control characters and will >> affect the text. > > Wouldn't it be more economical to encode a single UNICODE ESCAPE CHARACTER > which forces the following character to be interpreted as a printable glyph > rather than any control function?
I think that invisible and stateful control characters are more expensive than ordinary graphic symbols. Michael Everson * http://www.evertype.com/
