skip-whitespace in color:text<%>

Returns the next non-whitespace character.

• (send a-color:text skip-whitespace position direction comments?) -> natural-number?
     position : natural-number?
     direction : (symbols 'forward 'backward)
     comments? : boolean

  Starts from position and skips whitespace in the direction indicated by direction. If comments? is true, comments are skipped as well as whitespace. skip-whitespace determines whitespaces and comments by comparing the token type to 'white-space and 'comment.

  Must only be called while the tokenizer is started.