1.13.0

• fix typo when skipping a rule with containing values with em unit
• support case-insensitively syntax for attribute values (https://www.w3.org/TR/selectors-4/#attribute-case)

1.12.0

• validate page pseudo classes
• add CSSPageRuleImpl#setSelectorText()
• use the error handler in method CSSPageRuleImpl#setCssText()

1.11.0

• support for dimensions turn and quater added
• hsl/hsla support added
• improved color parsing for rgb/rgba
• jUnit 5

1.10.0

• support providing an CSSErrorHandler when setting a css text

1.9.0

• bring formatting closer to the browser
• calc has his own function type

1.8.0

• bring formatting closer to the browser

1.7.0

• fix 'rem' support
• support for the dimensions 'ch', 'vw', 'vh', 'vmin' and 'vmax' added
• minus sign no longer supported inside unknown dimensions. This fixes a problem when parsing calc terms without whitespace around the minus like in calc(42vh-16.4em)

1.6.0

• support calc()
• support var()

Thanks to Christian Morgner.

1.5.0

• improved resource handling

1.4.0

• cleanup and minor fixes