Entering accented characters in emacs
if you need characters with diacritical marks on them in an emacs buffer, you can use:
(do it again to turn it off).
In this mode, the special characters " ~ ' ` are all "dead keys," which means you have to hit them twice to get the normal behavior.
If you hit a dead key once before typing a normal character, you'll get a combination of the characters. So " u should give you ë