[Bug 1334495] Re: Two different fonts mixed to display Chinese text in all desktop applications

[Lukas Bunsen]

I only have the problem since updating to 14.04, so it really might be
connected to the font change.

It is the standard font setting dialog in the KDE control center.  I
could try to change the font with a different tool to see if it would
change anything. Do you know what package I would have to install to get
the Gnome font settings? Or is there a more low level way to change the
default font? KDE also has a dialog to choose a specific font for Gnome
applications, but there the font is set to Ubuntu, too.

I played a bit with the KDE font settings and tried different fonts. With some of them, Chinese text is displayed normally:
*Serif
*AR PL UKai CN
*WenQuanYi Micro Hei
The with the last two somehow make sense, as they are genue Chinese fonts. I am not sure about "Serif"?

I also tried various standard fonts, they all displayed the problem:

*Sans Serif
*Arial
*Courier
*Droid Sans Mono
*Droid Serif

Also, I noticed that I have three different Droid Mono fonts in my
system font settings. Is that supposed to be this way or might it be
connected to the problem? The listed Droid fonts are:

*Droid Sans [monotype]
*Droid Sans [unknown]
*Droid Sans Mono
*Droid Serif

In KDE's font manager however, Droid Sans is only displayed once. I
attached screenshots for both dialogs.

Anything else I could/should try?

** Attachment added: "KDE's font manager - Droid Sans only displayed once"
   https://bugs.launchpad.net/ubuntu/+source/fontconfig/+bug/1334495/+attachment/4142366/+files/font%20manager.png

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Title:
  Two different fonts mixed to display Chinese text in all desktop
  applications

Status in “fontconfig” package in Ubuntu:
  Incomplete
Status in “fonts-droid” package in Ubuntu:
  New

Bug description:
  Bug:
  In all desktop applications, two different fonts are mixed to display Chinese text. I attached a screenshot of a paragraph of Chinese text in Kmail - some characters are displayed using a "italic" font, others in a "normal" font. The same problem exists in other applications, for example Dolphin or even Konsole. In Xterm, only the "normal" characters are displayed, where Dolphin displays italic characters Xterm leaves a white space. Websites are displayed fine, if I open the same mail in the web interface only one font is used.

  Background

  I' am using Kubuntu 14.04 with the language set to German in KDE settings.
  The output of "locale" looks a bit messed up, I don't know why, as in the KDE settings all formats are consistently set to German standard. 
  "locale                                                                                                         
  LANG=de_DE.UTF-8
  LANGUAGE=de:en:zh:en
  LC_CTYPE="de_DE.UTF-8"
  LC_NUMERIC=zh_CN.UTF-8
  LC_TIME=zh_CN.UTF-8
  LC_COLLATE="de_DE.UTF-8"
  LC_MONETARY=zh_CN.UTF-8
  LC_MESSAGES="de_DE.UTF-8"
  LC_PAPER=zh_CN.UTF-8
  LC_NAME=zh_CN.UTF-8
  LC_ADDRESS=zh_CN.UTF-8
  LC_TELEPHONE=zh_CN.UTF-8
  LC_MEASUREMENT=zh_CN.UTF-8
  LC_IDENTIFICATION=zh_CN.UTF-8
  LC_ALL=
  "

  fc-match:                                                                                                   
  »DejaVuSans.ttf: "DejaVu Sans" "Book"«

  
  This is my first bug filed at launchpad. I filed it for language-selector as other related bugs I found were filed for the same package. If it isn't language-selector, perhaps you can point me to the right package?

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