Can you be more specific about what you are trying to do (enter it in a test as a string, enter it as part of a key combination, check it in your GUI), and on what operating system, platform, for what type of AUT etc?
I want to enter ";" in a text field of my Eclipse (RCP) Application.
I'ts a "workaround" to work with key combinations, because Jubula can't
unfortunately recognize this text field (in observation/object mapping).
OS: Windows 7
My testcase works, if i copy ";" to clipboard and use STRG + V key kombination...
If I understand correctly, you're dealing with a native dialog - one that can't be object mapped. In that case, it's true that you can only enter a subset of characters via "external input", and that copy to clipboard is usually the most comfortable way of dealing with texts for native dialogs. I don't know what other ways there could be I'm afraid.