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Re: Truetype fonts and UTF-8
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Re: Truetype fonts and UTF-8

  • Subject: Re: Truetype fonts and UTF-8
  • From: Brandon Allbery <email@hidden>
  • Date: Sun, 18 May 2014 23:21:16 -0400
On Sun, May 18, 2014 at 10:28 PM, Ken Thomases <email@hidden> wrote:
Whatever font rendering mechanism xterm is using, it doesn't do this font fallback search.  Or, if it does, it is not searching all of the same fonts that the Mac frameworks do.


> Does anyone have any suggestions to fix this?

* Somehow persuade xterm and its font rendering engine to use a font fallback mechanism and a font list containing, say, Apple Symbols.  I don't know how you might do that.

This is roughly correct. xterm is using fontconfig for TrueType fonts, and to the extent that fontconfig supports glyph substitution, it must be configured separately. I have a partial configuration that I use which improves things somewhat by adding various missing fonts, but have not looked to see what support there is for glyph substitution in the way the native framework does it.

One complication in this is that some of the system fonts that the native framework can use for glyph substitution are not provided in a form which FreeType2 understands, so fontconfig cannot access or use them. You may well have to install additional TrueType fonts to get substitute characters that fontconfig can use.

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  • Follow-Ups:
    • Re: Truetype fonts and UTF-8
      • From: Cameron Simpson <email@hidden>
References: 
 >Truetype fonts and UTF-8 (From: Bob Nnamtrop <email@hidden>)
 >Re: Truetype fonts and UTF-8 (From: Ken Thomases <email@hidden>)

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