[Bug 299158] Re: Liberation Mono, Droid Sans Mono: Combining diacritics out of place

[Pravin-d-s]

While going through this issue. I found though Liberation Mono does not
have U+301 character in font. But it still has combined character i.e.
aacute U+00E1

harfbuzz-ng and pango-view renders it perfectly. So this should be fixed
in gnome-terminal.

$./hb-view  /usr/share/fonts/liberation/LiberationMono-Regular.ttf "áe"

$printf ""áe"\n" > out
$ pango-view  --font=/usr/share/fonts/liberation/LiberationMono-Regular.ttf out

both this gives me perfect rendering.

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https://bugs.launchpad.net/bugs/299158

Title:
  Liberation Mono, Droid Sans Mono: Combining diacritics out of place

Status in “msttcorefonts” package in Ubuntu:
  Won't Fix
Status in “ttf-dejavu” package in Ubuntu:
  New
Status in “ttf-droid” package in Ubuntu:
  New
Status in “ttf-liberation” package in Ubuntu:
  Confirmed

Bug description:
  In the Liberation Mono font, combining diacritical marks are drawn
  over the following character rather than the preceding.

  According to the Unicode standard since at least version 3.0, chapter
  3.6, verse D56, combining characters apply to the preceding base
  character. However, this font renders them on the following base
  character.

  Version info:
  Ubuntu Intrepid
  ttf-liberation 1.04~beta2-2

  To reproduce:
  1. Open gedit.
  2. Type the following three code points: U+0061 U+0301 U+0065 (Latin small letter a, Combining acute accent, Latin small letter e).
  3. Via Edit|Preferences|Font & Colors|Font, select the Liberation Mono font.

  Expected:
  * Two grapheme clusters are displayed: Latin small letter a with acute accent, Latin small letter e.

  Observed:
  * The grapheme clusters displayed are: Latin small letter a, Latin small letter e with acute accent.

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