Comment #6 on issue 2235 by rydier: Character č is represented as new line http://code.google.com/p/pharo/issues/detail?id=2235
I'm not the least familiar with keyboard-input, but I think this is something on the VM level causing it to not send the correct character event.
It works fine on a Mac vm with slovak input layout.(you can select slovak as a possible keyboard layout in Preferences -> Language & Text -> Input sources)
