patch for Kate and Indic languages

[Jens Herden]

Hi,

we have a big problem with Kate and Khmer because of the non constant 
character width. This problem must affect many other Indic languages as well!

The text renderer in Kate just adds the character width one by one to 
calculate the position of the cursor. This breaks very bad for Khmer because 
two character together can have a different width as the sum of the width of 
the two character. That means when I type Khmer the cursor is not where the 
character will appear and navigation is almost impossible. 

I made a patch to fix this and I want to have this in KDE 3.5.3, if possible. 
Can please someone look at it? 

Jens

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