nl_tokens: verbose for performance reasons ; doesn t affect gzipped size
pl_tokens: function ( arr , isSigned ) { if ( this . type !== Pbf . Bytes ) return arr . push ( this . readVarint ( isSigned ) ) ; var end = readPackedEnd ( this ) ; arr = arr || [ ] ; while ( this . pos < <mask> ) arr . push ( this . readVarint ( isSigned ) ) ; return arr ; }