On Sun, 20 Oct 2013 17:17:55 +0200 Philippe Verdy <[email protected]> wrote:
> 2013/10/20 Richard Wordingham <[email protected]> > Interesting, so the list of "place holders" to support increases, we > have: > - whitespaces (including SP, NBSP, NNBSP, ZWSP, ideographic...) > - arabic joiners > - U+25CC (possibly also other geometric symbols) > - dashes and hyphens Add diagonal crosses, such as 'x', 'X' and U+00D7 MULTIPLICATION SIGN; they are used for Lao (both Lao script and Tai Tham script), and I have seen the cross used for Khmer. U+1D5D1 MATHEMATICAL SANS-SERIF SMALL X and U+1D5B7 MATHEMATICAL SANS-SERIF CAPITAL X are particularly suitable for the role - serifs are dispreferred. Remove ZWSP - it is not a space (it has general category 'other, format') and has no width, making it unsuitable as a place holder. Richard.
