[Bug 1556457] Re: [FFe] Demilight (OS/2 weight=350) confuses fontconfig

[Amr Ibrahim]

2.11.95 (2.12 RC5)

Akira TAGOH (22):
      Add one more debugging option to see transformation on font-matching
      Fix a crash when no objects are available after filtering
      No need to be public
      mark as private at this moment
      Don't return FcFalse even when no fonts dirs is configured
      Add a warning for blank in fonts.conf
      Fix a memory leak in FcFreeTypeQueryFace
      Update CaseFolding.txt to Unicode 8.0
      Bug 90867 - Memory Leak during error case in fccharset
      Fix the broken cache more.
      Fail on make runtime as needed instead of configure if no python installed
      Use long long to see the same size between LP64 and LLP64
      Fix build issue on MinGW
      Use int64_t instead of long long
      Fix compiler warnings on MinGW
      Fix assertion on 32bit arch
      remomve unnecessary code
      Bug 93075 - Possible fix for make check failure on msys/MinGW...
      Avoid an error message on testing when no fonts.conf installed
      Add hintstyle templates and make hintslight default
      Revert "Workaround another race condition issue"
      Update libtool revision

Behdad Esfahbod (6):
      Revert changes made to FcConfigAppFontAddDir() recently
      Call FcFreeTypeQueryFace() from fcdir.c, instead of FcFreeTypeQuery()
      [GX] Support instance weight, width, and style name
      [GX] Enumerate all named-instances in TrueType GX fonts
      Improve OpenType to Fontconfig weight mapping
      [GX] Improve weight mapping

Patrick Haller (1):
      Optimizations in FcStrSet

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https://bugs.launchpad.net/bugs/1556457

Title:
  [FFe] Demilight (OS/2 weight=350) confuses fontconfig

Status in Fontconfig:
  Fix Released
Status in fontconfig package in Ubuntu:
  Fix Committed
Status in fontconfig package in Debian:
  New

Bug description:
  [FFe request comment]

  Upgrading to fontconfig 2.11.94 is proposed as a fix of this bug,
  including a fix of certain font weight issues due to the switch from
  fonts-droid to fonts-noto-cjk for Chinese (discussed at bug #1468027)
  where we haven't found any way to work around the problem.

  The proposed upload is available in this PPA:
  https://launchpad.net/~gunnarhj/+archive/ubuntu/fontconfig-test2

  Changes are listed in the attachment upstream_git-log.txt

  [Original description including updates]

  See https://bugs.freedesktop.org/show_bug.cgi?id=81453 and bug
  1468027.

  Fontconfig lacks support for many OpenType/TrueType OS/2 font weight
  values. This causes a bunch of problems, like mixing up Demilight
  (weight=350) and Regular (weight=400).

  Although it's possible to write (dirty?) hacks for deb-packed fonts,
  this still causes problems for otherwise sourced fonts.

  Archlinux: https://bugs.archlinux.org/task/48550 (fix released,
  upgraded to 2.11.94)

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