We sometimes face some problems when we try to clean up translated ttx files. This article is introducing some tips to address those issues. However, it does not matter if you work on SDLX translation files (.itd files).
Here is the link: http://translation-blog.trustedtranslations.com/solving-problems-related-to-cleaning-files-in-trados-studio-2009-2012-02-28.html
