*/
  F.page.setPageTitle = function(title){
    const t = document.querySelector('title');
    if(t) t.innerText = title;
    return this;
  };

  /**
     Returns a function, that, as long as it continues to be invoked,
     will not be triggered. The function will be called after it stops
     being called for N milliseconds. If `immediate` is passed, call
     the callback immediately and hinder future invocations until at
     least the given time has passed.

     If passed only 1 argument, or passed a falsy 2nd argument,
     the default wait time set in this function's $defaultDelay
     property is used.

     Source: underscore.js, by way of https://davidwalsh.name/javascript-debounce-function
  */
  F.debounce = function f(func, wait, immediate) {
    var timeout;
    if(!wait) wait = f.$defaultDelay;
    return function() {
      const context = this, args = Array.prototype.slice.call(arguments);
      const later = function() {
        timeout = undefined;
        if(!immediate) func.apply(context, args);
      };
      const callNow = immediate && !timeout;
      clearTimeout(timeout);
      timeout = setTimeout(later, wait);
      if(callNow) func.apply(context, args);
    };
  };
  F.debounce.$defaultDelay = 500 /*arbitrary*/;

})(window);

    return this;
  }
  window.fossil.page.tweakSbsDiffs = function(){
    document.querySelectorAll('table.splitdiff').forEach((e)=>Diff.initTableDiff(e));
    Diff.checkTableWidth();
  };
  Diff.initTableDiff().checkTableWidth();
  window.addEventListener('resize', F.debounce(()=>Diff.checkTableWidth()));
}, false);

        console.debug("resized.",wh, extra, ht,
                      window.getComputedStyle(contentArea).maxHeight,
                      contentArea);
        console.debug("Set input max height to: ",
                      f.chat.e.inputX.style.maxHeight);
      }
    };
    resized.$disabled = true/*gets deleted when setup is finished*/;
    window.addEventListener('resize', F.debounce(resized, 250), false);



    return resized;
  })();

  fossil.FRK = ForceResizeKludge/*for debugging*/;
  const Chat = ForceResizeKludge.chat = (function(){
    const cs = {
      verboseErrors: false /* if true then certain, mostly extraneous,
                              error messages may be sent to the console. */,
      e:{/*map of certain DOM elements.*/
        messageInjectPoint: E1('#message-inject-point'),