old_contents: export function osmIsInterestingTag(key) {
      return key !== 'attribution' &&
          key !== 'created_by' &&
          key !== 'source' &&
          key !== 'odbl' &&
          key.indexOf('tiger:') !== 0;
  
  }
  
  
  export var osmOneWayTags = {
      'aerialway': {
          'chair_lift': true,
          'mixed_lift': true,
          't-bar': true,
          'j-bar': true,
          'platter': true,
          'rope_tow': true,
          'magic_carpet': true,
          'yes': true
      },
      'highway': {
          'motorway': true,
          'motorway_link': true
      },
      'junction': {
          'roundabout': true
      },
      'man_made': {
          'piste:halfpipe': true
      },
      'piste:type': {
          'downhill': true,
          'sled': true,
          'yes': true
      },
      'waterway': {
          'river': true,
          'stream': true
      }
  };
  
  
  export var osmPavedTags = {
      'surface': {
          'paved': true,
          'asphalt': true,
          'concrete': true
      },
      'tracktype': {
          'grade1': true
      }
  };
  
new_contents: export function osmIsInterestingTag(key) {
      return key !== 'attribution' &&
          key !== 'created_by' &&
          key !== 'source' &&
          key !== 'odbl' &&
          key.indexOf('tiger:') !== 0 &&
          key !== 'error:circular' &&
          key !== 'hoot:status';
  
  }
  
  
  export var osmOneWayTags = {
      'aerialway': {
          'chair_lift': true,
          'mixed_lift': true,
          't-bar': true,
          'j-bar': true,
          'platter': true,
          'rope_tow': true,
          'magic_carpet': true,
          'yes': true
      },
      'highway': {
          'motorway': true,
          'motorway_link': true
      },
      'junction': {
          'roundabout': true
      },
      'man_made': {
          'piste:halfpipe': true
      },
      'piste:type': {
          'downhill': true,
          'sled': true,
          'yes': true
      },
      'waterway': {
          'river': true,
          'stream': true
      }
  };
  
  
  export var osmPavedTags = {
      'surface': {
          'paved': true,
          'asphalt': true,
          'concrete': true
      },
      'tracktype': {
          'grade1': true
      }
  };
  
subject: make error:circular and hoot:status "uninteresting"