The 'comment' verb is not a Config Language comment. It causes the user interface to display text, and it causes output to appear in the output files. This verb displays the prompt to the user with no adornment whatsoever. It does not echo the prompt to the output file. Note that the bool verb does not have a default value.
Any hexadecimal number is a legal input value.
The hex verb does not accept range parameters. Any decimal number is a legal input value. The int verb does not accept range parameters. The default value is mandatory. The tristate verb does not have a default value.