Version 0.3, 25 July 2008, Lennart Poettering.
Split out section about "Input Feedback" sounds.
Document the logic behind choosing "dialog-error" instead of "error-dialog".
Version 0.2, 4 June 2008, Marc-Andre Lureau and Lennart Poettering.
Naming changes.
Version 0.1, February 12 2008, Marc-Andre Lureau.
Created initial draft.