Last optimization has been done almost two years ago. There a lot of new files in trunk (e.g all Oxygen stuff).
It's not the correct time to do that again (before the release).
This run saves again around 10MB of diskspace without any restrictions.
svn path=/trunk/KDE/kdebase/apps/; revision=755647
Losslessly optimize file size of *gz files in /trunk/KDE/kdebase with advdef -z -4.
Total *.png file size goes to 7213923 from 8648602 (-16.59%).
Total *gz file size goes to 957770 from 1073184 (-10.75%).
For more info see bug 122897.
svn path=/trunk/KDE/kdebase/doc/konsole/; revision=518301