Grapheme clusters and east asian width

[Daniel Bünzli]

Le jeudi, 17 septembre 2015 à 02:25, Richard Wordingham a écrit :
> Are you actually trying to work out how a terminal emulator someone else wrote will position
> characters?

Yes. Basically given a, let's say single line, UTF-8 string to output  to a, let's say an ANSI tty, I'd like to compute its visual extents.
  
> In so far as the property is useful, they probably should be ea=Wide.

This seems consistant with what is written in UAX #11 6.4 though.
  
> If you're trying to work out what a particular emulator will do, the
> starting point is its documentation.  

Unfortunately *many* emulators.

Thanks,

Daniel