Re: Using combining diacritical marks and non-zero joiners in a name

From: Otto Stolz (Otto.Stolz@uni-konstanz.de)
Date: Fri Apr 18 2008 - 10:40:30 CDT

  • Next message: Andreas Prilop: "Re: Using combining diacritical marks and non-zero joiners in a name"

    Hello Andreas Prilop,

    I had written:
    > - proportional: TITUS Cyberbit Basic 3.0
    > - fixed-pitch: Lucida Console 1.60
    This pertains to the browser settings used for the tests.

    Andreas Prilop schrieb:
    > Yes - but I do not have this font.

    I had also said, where you can download your complimentary copy.

    > And I referred specifically to [Lucida Console 1.60]

    I have supposed that you, the author, know whether your page
    uses the fixed-pitch font, at all (apparently, it doesn’t).

    > Firefox A` = À a` = à
    > With Lucida Console!

    Not so, in my installation, cf. attachments. I have
    set the proportional, serif font to Lucida Console (in spite
    of LC being a fixed-pitch font) to take these screen shots.

    The only difference I can see is that IE 7.0 shows a
    missing-character glyph for  ̀ (U+00A0 U+0300),
    whilst Opera 9.10 and Firefox 2.0 show a glyph, probably from
    some other font. In this respect, IE 7 apparently behaves like
    IE 6 (which I have not tested with Lucida Console as serif font).

    > Thank you for your images - which font is it?

    As I had written: TITUS Cyberbit Basic 3.0

    > Please view
    > http://www.unics.uni-hannover.de/nhtcapri/combining-marks.html
    > with Lucida Console

    Cf. Attachments.

    > and Courier New in both Firefox and Internet Explorer.

    Results in identical As + accents, from IE 7, Firefox 2.0, and Opera 9.10;
    however, the graves on the Zs are missing, in Opera; down the page, IE7
    shows a lot of missing-character glyphs (rectangles), but some glyphs,
    e. g. Ẑ and Ǧ, apparently come from another font (perhaps Microsoft
    Sans Serif).

    > Compare Microsoft Sans Serif in IE and Firefox.

    Identical display.

    > Compare Palatino Linotype in IE and Firefox.

    Again, IE 7 shows some glyphs from other fonts, and some missing-
    character glyphs. It places some of the glyphs taken from other
    fonts in wrong places. Cf. Attachments.

    Bottom Line:
    - The font is responsible for the placement of dthe combining accents.
    - If the character to be displayed is not covered by the font, some
       browsers use the pertinent glyph frome some other font, or a missing-
       character glyph; IE 7 may do either, depending on the character.
    - Bugs are possible, and may result in mysterious displays, such as
       the small Ẑ printed on top of the capital Ẑ, in Prilop-IE7-PL.png.

    Best wishes,
       Otto Stolz


    Prilop-Firefox-LC.png
    Prilop-IE7-LC.png
    Prilop-Opera-LC.png
    Prilop-Opera-PL.png
    Prilop-Firefox-PL.png
    Prilop-IE7-PL.png

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