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()))
        );
    }
Rule Keyword ( ) { return Sequence ( Sequence ( Ident ( ) , Test ( Delimiter ( ) ) ) , push ( new SimpleNode ( match ( ) ) ) ) ; }
Ident &Delimiter

Ex: blue, small, normal
Ident &Delimiter