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[Bug 932958] Re: Missing characters in monospace fonts fall back to proportional fonts


** Changed in: fontconfig (Ubuntu)
   Importance: Undecided => Medium

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  Missing characters in monospace fonts fall back to proportional fonts

Status in fontconfig package in Ubuntu:

Bug description:
  gnome-terminal 3.0.1-0ubuntu3, Ubuntu 11.10
  gnome-terminal 3.6.2-0ubuntu1, Ubuntu 15.04

  When a character is not present in whichever monospace font you are
  using, Ubuntu chooses a proportional font to render it.

  This is usually not desirable. In a terminal, for example, the
  proportional character is often too wide and therefore overlapped by
  the following character.

  For example:
  - bug 819708 (heavy line-drawing characters not lined up in Ubuntu Mono)
  - bug 1116428 ('DOTTED CIRCLE' and 'BLACK CIRCLE' substituted from a wider font)
  - bug 1094434 ("font lacks that symbols and use the ones from the other font which have incorrect sizes")
  - bug 736613 ("the ! is rendered on top of the C")
  - this bug as originally reported (U+25B7 white right-pointing triangle and U+20AF drachma overlapping with following characters).

  This happens with multiple monospace fonts -- Droid Sans Mono,
  Terminus, TlwgMono Medium, and Ubuntu Mono -- suggesting that it is a
  problem with fontconfig, rather than with the individual fonts.

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