Problem with changing skin font !

[mehr154]

Hi
Please send me full procedure guide for skin's font change!
I follow this pass "/usr/local/share/enigma2" and modify the skin.xml fonts tag but the bellow change on regular font not helpfully!

<fonts>
<font filename="/usr/share/fonts/Tahoma.ttf" name="Regular" scale="93" />
<font filename="/usr/share/fonts/valis_lcd.ttf" name="Digital" scale="100" />
</fonts>
Thanx for your attention

[Macbest]

Which skin do you use? default HDMU? Do not forget reboot....