Description of problem:
In gedit input U+0D21 U+0D4D U+0D30 U+0D48 U+0D35 U+0D4D with RAW CODE,then
press right arrow key,we need press right arrow key many times to move to the right of the font

Version-Release number of selected component (if applicable):
pango-devel-1.22.1-1.fc10.i386
pango-1.22.1-1.fc10.i386
pangomm-2.14.0-2.fc10.i386

How reproducible:
always

Steps to Reproduce:
1.In gedit input U+0D21 U+0D4D U+0D30 U+0D48 U+0D35 U+0D4D with RAW CODE,then
press right arrow key

Actual results:
we need press right arrow key many times to move to the right of the font

Expected result:
We need only press one time to move to the right of the font

Additional info: 
U+0D05 U+0D2A U+0D4D U+0D21 U+0D47 U+0D31 U+0D4D U+0D31 U+0D4D
U+0D05 U+0D2A U+0D4D U+0D17 U+0D4D U+0D30 U+0D47 U+0D21 U+0D4D
U+0D35 U+0D4D U+0D2F U+0D15 U+0D4D U+0D24 U+0D02
U+0D07 U+0D28 U+0D4D U+200D U+0D38 U+0D4D U+0D31 U+0D4D U+0D31 U+0D4B U+0D33
U+0D4D U+200D
also has the same problem