Determines whether the given terminal rule represents a comment. This is true if the rule is marked
as hidden and it does not match white space. This means every hidden token (i.e. excluded from the AST)
that contains visible characters is considered a comment.
Determines whether the given terminal rule represents a comment. This is true if the rule is marked as
hiddenand it does not match white space. This means every hidden token (i.e. excluded from the AST) that contains visible characters is considered a comment.