Diacritics in the OSX British/US keyboard (for Portuguese users or any other users of languages with diacritics) http://en.wikipedia.org/wiki/Diacritic
Mac OSX keyboard layout switching is a pain.
Using a keyboard layout different than the one actually printed on your keys is also weird.
The following keyboard shortcuts allow you to create the various diacritics used in languages like Portuguese on the British/US layout of a Mac keyboard.
Alt+e -> ´ Examples: é ó á Alt+i -> ^ Examples: â ê Alt+c -> ç Alt+` -> ` Examples: à Alt+n -> ~ Examples: ã õ ñ Alt+0 -> º Examples: 1º Alt+9 -> ª Examples: 1ª