There are two different formats for comments. A comment is text that begins with two slashes (//) and all information to the right of the slashes is ignored.

// ASL Script to read card information

A comment can also be marked as a block by using a slash followed by an asterisk at the beginning (/*) and an asterisk followed by a slash at the end (*/) of the comment block.

/* ASL Script to read card information
   created 1/30/2009 by FTW */