[ '--attr=:', 'must be provided a string' ],
[ '--attr=bold:underscore', 'must have strings separated by ,' ],
[ '--attr=b0ld', 'attribute \'b0ld\' is not valid' ],
- [ '--attr=b0ld,underscore', 'attribute \'b0ld\' is not valid' ], # NULify comma
+ [ '--attr=b0ld,underscore', 'attribute \'b0ld\' is not valid' ], # handle comma
[ '--attr=bold,bold', 'has attribute \'bold\' twice or more' ],
[ '--exclude-random=random', 'must be provided a plain color' ],
[ '--clean --clean-all', 'mutually exclusive' ],