[Bug 744812] Re: FontConfig/Qt stack choke on Ubuntu Medium font meta-data (No medium in Inkscape and too bold in Qt apps)

[BubuXP]

I'm using Ubuntu font family in Debian Sid (Xfce) and I still get this bug when using VLC (that uses Qt).
I'm not a developer, nor a programmer, but after reading the whole report and found where the bug lies, I've managed to fix it copying the method used for the Delicious font in conf.avail/80-delicious.conf and adapting it for the Ubuntu font.

I attached the file to put in /etc/fonts/conf.d/ or in ~/.config/fontconfig/conf.d/ but the code for Ubuntu Medium Italic doesn't work (when Regular Italic is used for interface, Medium Italic is still used in VLC/Qt). Probably it's very easy to someone more experienced than me to fix this patch for correct Medium Italic handling.
After that I have to rebuild the font cache as root (sudo) and as user, or it doesn't work.

Is a possible solution to bring this file (properly fixed) with ubuntu font deb package?
In case it should be placed in /usr/share/fontconfig/conf.avail/ and symlinked to /etc/fonts/conf.d/


I'm using those libraries versions, if it matters:
Fontconfig ver.: 2.11.0-2
FreeType ver.: 2.5.2-1


** Attachment added: "81-ubuntu.conf"
   https://bugs.launchpad.net/ubuntu-font-family/+bug/744812/+attachment/3936351/+files/81-ubuntu.conf

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Title:
  FontConfig/Qt stack choke on Ubuntu Medium font meta-data (No medium
  in Inkscape and too bold in Qt apps)

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