[fw-general] Zend_Validate / Zend_Form Zend_Translate gettext / custom error messages

Hi I have seen some similar questions and answers how to set Zend_Form or Zend_Validate to work with Zend_Translate gettext. Thing I did not find is how to use gettext tools to extract strings which should be translated? Can somebody please explain in small example gettext tool usage in this situ

[fw-general] Zend_Input_Filter (Zend_Validate) custom error messages

Hi I really like Zend_Input_Filter as it quite easy and fast to write validators. My only complain is that I have to write many custom error messages as I am Croatian. So for example if I use EmailAddress Validator I have to translate: Zend_Validate_EmailAddress::INVALID Zend_Validate_EmailAddre