Fossil

  Diff.addDiffSkipHandlers = function(){
    const tables = document.querySelectorAll('table.diff[data-lefthash]');
    if(!tables.length) return F;
    const addDiffSkipToTr = function f(tr){
      D.addClass(tr, 'jchunk');
      if(!f._handler){
        f._handler = function ff(event){
          var e = event.target;
          while(e && 'TR' !== e.tagName) e = e.parentElement;
          if(!e){
            console.error("Internal event-handling error: didn't find TR target.");
            return;
          }
          e.removeEventListener('click',ff);
          D.removeClass(e, 'jchunk', 'diffskip');
          //console.debug("addDiffSkipToTr() Event:",e, event);
          fetchTrChunk(e);
        };
      }
      tr.addEventListener('click', f._handler, false);
    };
    tables.forEach(function(t){
      t.querySelectorAll('tr.diffskip[data-startln]').forEach(addDiffSkipToTr);