Less4j is port of less.js into Java.

Our twitter account: Less4j

• CSS3 selectors - namespaces are open.

• clean up unit tests,
• write better README.mf,
• add basic CSS hacks into it to see whether it is possible,
• add error handling - at least reasonable basic version,
• make it compatible with css2.1 and css3,
• make API,
• add less.js features and document the grammar while doing it,
• finalize API.

• [http://www.w3.org/Style/CSS/specs.en.html]
• [http://www.w3.org/Style/CSS/Test/CSS3/Selectors/current/]
• [http://www.w3.org/TR/css3-selectors/]
• [http://www.w3.org/wiki/CSS3/Selectors]
• [http://www.w3.org/TR/CSS2/]
• [http://www.w3.org/TR/CSS2/syndata.html#numbers]
• [http://www.w3.org/TR/2012/WD-css3-fonts-20120823/]
• [http://www.w3.org/TR/CSS21/fonts.html]
• Comparison of less and sass: [https://gist.github.com/674726]

Architecture and comments handling are described in a [blog post] (http://meri-stuff.blogspot.sk/2012/09/tackling-comments-in-antlr-compiler.html).

The rest of the documentation is on wiki.

I'm still experimenting with the architecture.

Not finished yet.