*

*labelname

Creates a label of said name. You can use statements like goto to jump to this label.
The name can be made up of numbers (but not in the first position), 1-byte characters, and underscores, but nothing else.

  ALLOWED )  *HAJIMARI
         *Mike_Tom
         *day01

  NOT ALLOWED )*始まり  (uses 2-byte chars)
         *Mike&Tom (uses an ampersand)
         *01day   (number in the first position)