nl_tokens: Expressions either represent mathematical operations or white - space delimited Entities . 1px solid black
pl_tokens: function ( ) { var entities = [ ] , e , delim , index = parserInput . i ; <mask> { e = this . comment ( ) ; if ( e ) { entities . push ( e ) ; continue ; } e = this . addition ( ) || this . entity ( ) ; if ( e ) { entities . push ( e ) ; // operations do not allow keyword "/" dimension (e.g. small/20px) so we support that here if ( ! parserInput . peek ( / ^\/[\/*] / ) ) { delim = parserInput . $char ( '/' ) ; if ( delim ) { entities . push ( new ( tree . Anonymous ) ( delim , index ) ) ; } } } } while ( e ) ; if ( entities . length > 0 ) { return new ( tree . Expression ) ( entities ) ; } }