If you have got a Sun keyboard or you're old enough for having seen a great number of different keyboards, you'll probably came up against the Compose key. This key isn't usually found on PCs keyboards and it's used to tell the computer's software to interpret the following key strokes to produce a character not found on the keyboard. Hence, its name.
The X Window System, known to the vast majority of UNIX users, uses this key and in this Wikipedia's article you can found an incomplete table of key compositions valid for Xorg v. 7.
This key can still be found on Sun Microsystems keyboards and their keyboard official documentation includes a table of composition characters, too.
Using the compose key
So, why should you be using that key? Well, as said this key lets you input characters which are missing from the keyboard. If you're writing primarily in English, that's really not an issue. If you've got to write in an another European language (free to choose whichever), you're going to need a bunch of characters more than those you've got in your keyboard. The most common example is writing accented characters such as á, è, î, ñ, ü, et cetera.To produce such characters, you've got to:
- Press and release the compose key.
- Introduce the composite key sequence.
- Press and release the compose key.
- Press a
- Press '
That's the point of the following post.
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