Changing of text, char, integer fields content is not always recognized.
Scenario
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0. Install trytond 2.2
1. Go to Administration > Localization > Translations
2. Choose a record, change view to form view
3. Select field 'Translation Value', input something -- do not leave the field
4. Press toolbar button 'next record' or page-down key
Should-behavior: Ask for saving the changes
Is-behavior: Change to the next record
The Is-behavior can be seen at least for the field types text, char, integer.