Other strange characters are allowed as well, which means that names must often by surrounded by whitespace, parentheses or punctuation. Dylan's designers apparently liked hitting the space bar more than they liked hitting the shift key. This is just a naming convention. You'll see more strange characters at the begining and end of other names. This saves typing.
Blocks do, however, have an end keyword at the bottom.
You can omit semi-colons at the end of blocks. All rights reserved. Created using PHP , Apache and PostgreSQL on a machine running RedHat Linux . Graphics by the GIMP .