There's also a weird thing.

If i get all the character positions and dump them to file, sometimes
there's minor changes, e.g. in
https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/881407/+attachment/2571595/+files
/Manning-ExtJS_in_Action.pdf

the diff says

--- old/foo     2012-08-17 01:16:21.566960179 +0200
+++ new/foo     2012-08-17 01:16:21.566960179 +0200
@@ -51275,13 +51275,16 @@
 QRectF(289.28,579.535 2.4948x4.725) 
 true 
 QRectF(289.28,579.535 2.4948x4.725) 
-"FumiK" 
-QRectF(294.666,579.535 10.0606x4.725) 
-true 
+"Fumi" 
+QRectF(294.666,579.535 7.64003x4.725) 
+false 
 QRectF(294.666,579.535 2.08791x4.725) 
 QRectF(296.754,579.535 1.73864x4.725) 
 QRectF(298.492,579.535 2.8904x4.725) 
-QRectF(301.383,579.535 0.349866x4.725) 
+QRectF(301.383,579.535 0.923076x4.725) 
+"K" 
+QRectF(301.733,579.535 2.99376x4.725) 
+true 
 QRectF(301.733,579.535 2.99376x4.725) 
 "®" 
 QRectF(308.586,580.274 3.06445x3.885) 

the more interesting part is

-QRectF(301.383,579.535 0.349866x4.725) 
+QRectF(301.383,579.535 0.923076x4.725) 

it seems the "i" moved from being 0.349866 wide to being 0.923076. Any
idea why those changes happen? Looking at the code i don't see any
obvious reason for them.

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to evince in Ubuntu.
https://bugs.launchpad.net/bugs/39890

Title:
  characters change when selecting text

Status in Poppler:
  Confirmed
Status in “evince” package in Ubuntu:
  Invalid
Status in “poppler” package in Ubuntu:
  Triaged

Bug description:
  I have problems with the following pdf:
  www.lacim.uqam.ca/~plouffe/OEIS/citations/MAS-R9821.pdf

  When marking text some characters change. This happens on many places
  in this pdf-file. To reproduce the bug just mark some random places in
  the pdf. In some places the text disappears. In some the characters
  change totally. In others the italics is removed.

  I use the latest update of dapper. Evince 0.5.2

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