src/main/java/com/bazaarvoice/jless/parser/Parser.java
Rule Keyword() {
        return Sequence(
                Sequence(Ident(), Test(Delimiter())),
                push(new SimpleNode(match()))
        );
    }
Rule Keyword() {
        return Sequence(
                Sequence(Ident(), Test(Delimiter())),
                push(new SimpleNode(match()))
        );
    }
Ident &Delimiter

Ex: blue, small, normal