I hope this is the right forum for this post.

Normally, when my default font doesn't contain a character (say from a non-Latin script), it finds that character in another font and displays it.

I've noticed that in KDE 4.5, this doesn't happen in all cases. For example, if I go to https://secure.wikimedia.org/wikipedia/en/wiki/Tamil_script in Konqueror I get boxes for the Tamil letters, whereas in Firefox they are displayed (properly?). I have reproduced this problem with various other scripts which are not in my default font. Some characters (for example Chinese) do display correctly, however, even though they are not in my default font.

This is not uniquely a Konqueror problem. It affects all KDE applications (Kate, Kmail, etc). I know that in previous KDE versions, this was not the case. I can't pinpoint exactly when this problem first occurred, but I believe it happened between 4.4.4 and 4.5 (I didn't use 4.4.5).

If anyone knows how I can solve this, it would be a big help! Right now I'm typing boxes in Kate and it's a problem!

If you can reproduce using a new user, please file a bug report at bugs.kde.org, as this is a severe regression.

bcooksley wrote:If you can reproduce using a new user, please file a bug report at bugs.kde.org, as this is a severe regression.

Submitted.

The problem was resolved by uninstalling unifont (http://unifoundry.com/unifont.html) which for some reason interfered with Qt's fallback mechanisms.