[Bug 1823461] [NEW] Font hinting lost on chrome like browser

[Mohammad Anwar Shah]

Public bug reported:

Since Ubuntu 18.04 (maybe from 17.10, I don't remember now), Chrome
browsers are horrible to use. Font hintings are not working as expected.
There were always some hairy things above the fonts which caused me to
abandon Ubuntu. Unfortunately, this bug affected all other Ubuntu
derivatives as well. I was forced to use Debian and Manjaro, because
nowhere in the Internet I found a solution.

I've tested Ubuntu 19.04 again. I removed all of the *.conf file in
`/etc/fonts/conf.d` dir and copied Manjaro's configs. The fonts are
okay. Further investigating revealed that the culprit was symlink to
this file `/etc/fonts/conf.avail/69-language-selector-ja.conf`

I opened it and found that on Line no 8, it has this

<test qual="all" name="family" compare="contains">

which should instead be

<test qual="all" name="lang" compare="contains">

since `JP` is language identifier, not family.

I manually fixed the file and all is well!

I'm attaching two screenshot of chrome browser. Inspect the "Autofill"
and "Appearance" word of the chrome setting page screenshot.

** Affects: fontconfig (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "problem"
   https://bugs.launchpad.net/bugs/1823461/+attachment/5253394/+files/problem.png

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https://bugs.launchpad.net/bugs/1823461

Title:
  Font hinting lost on chrome like browser

Status in fontconfig package in Ubuntu:
  New

Bug description:
  Since Ubuntu 18.04 (maybe from 17.10, I don't remember now), Chrome
  browsers are horrible to use. Font hintings are not working as
  expected. There were always some hairy things above the fonts which
  caused me to abandon Ubuntu. Unfortunately, this bug affected all
  other Ubuntu derivatives as well. I was forced to use Debian and
  Manjaro, because nowhere in the Internet I found a solution.

  I've tested Ubuntu 19.04 again. I removed all of the *.conf file in
  `/etc/fonts/conf.d` dir and copied Manjaro's configs. The fonts are
  okay. Further investigating revealed that the culprit was symlink to
  this file `/etc/fonts/conf.avail/69-language-selector-ja.conf`

  I opened it and found that on Line no 8, it has this

  <test qual="all" name="family" compare="contains">

  which should instead be

  <test qual="all" name="lang" compare="contains">

  since `JP` is language identifier, not family.

  I manually fixed the file and all is well!

  I'm attaching two screenshot of chrome browser. Inspect the "Autofill"
  and "Appearance" word of the chrome setting page screenshot.

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