crash with certain tif inputs: unicharset.cpp:76: const UNICHAR_ID UNICHARSET::unichar_to_id(const char*, int) const: Assertion `ids.contains(unichar_repr, length)' failed.

[jimav]

Summary:
wget -O test.tif https://bugs.launchpad.net/ubuntu/+source/tesseract/+bug/912648/+attachment/2659608/+files/test.tif && tesseract test.tif testout

Expected results: Run to completion. Actual results: Aborts with an assertion error.

--------------------------------

tesseract consistently crashes with the following assertion error:

tesseract: unicharset.cpp:76: const UNICHAR_ID UNICHARSET::unichar_to_id(const char*, int) const: Assertion `ids.contains(unichar_repr, length)' failed.
Aborted

...when passed certain files generated by ocrfeeder. Attached is a sample file captured from an ocrfeeder run.

To reproduce, run tesseract <attached sample tif file> outputfilename

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: tesseract-ocr 2.04-2.1ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
Uname: Linux 3.0.0-14-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
Date: Thu Jan 5 22:32:11 2012
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: tesseract
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.