//

// By User:Pile0nades.// Makes the diff page display as a single column, instead of two.addOnloadHook(function(){// ==UserScript==// @name           Wikipedia single column diffs// @namespace      http://mywebsite.com/myscripts// @description    Make Wikipedia diff pages read like patch-format diffs, only one column needed// @include        http://en.wikipedia.org/w/index.php?*&diff=*// ==/UserScript==// remove the header for the previous revision, and add the next/prev links to the second headervar prevHeader = get("//table[@class='diff'][1]/tbody/tr[1]/td[@class='diff-otitle']");var nextHeader = get("//table[@class='diff'][1]/tbody/tr[1]/td[@class='diff-ntitle']");var oldedit = get("//table[@class='diff'][1]/tbody/tr[1]/td[@class='diff-otitle']/a[@id='differences-prevlink']");var newedit = get("//table[@class='diff'][1]/tbody/tr[1]/td[@class='diff-ntitle']/a[@id='differences-nextlink']");for(var i = 0; i < prevHeader.snapshotLength; i++) {  if(oldedit.snapshotLength != 0) {    nextHeader.snapshotItem(i).appendChild(oldedit.snapshotItem(0));  }  if(oldedit.snapshotLength != 0 && newedit.snapshotLength != 0) {    nextHeader.snapshotItem(i).appendChild(document.createTextNode(" | "));  }  if(newedit.snapshotLength != 0) {    nextHeader.snapshotItem(i).appendChild(newedit.snapshotItem(0));  }  remove(prevHeader.snapshotItem(i));}// clone rows where the line changed but wasn't added/deleted, and delete where appropriatevar changedLines = get("//table[@class='diff'][1]/tbody/tr/td[@class='diff-addedline' and position()=4]/../td[@class='diff-deletedline' and position()=2]")for(var i = 0; i < changedLines.snapshotLength; i++) {  var cell = changedLines.snapshotItem(i);  cell.parentNode.parentNode.insertBefore(    cell.parentNode.cloneNode(true),    cell.parentNode  );  remove(cell.previousSibling.previousSibling);  remove(cell);}// delete blank cells in the first column to move the added lines into the first columnvar blankcells = get("//table[@class='diff'][1]/tbody/tr/td[1]");for(var i = 0; i < blankcells.snapshotLength; i++) {  if(blankcells.snapshotItem(i).innerHTML == " ") {    remove(blankcells.snapshotItem(i));  }}// delete everything past the second td in each columnvar waste = get("//table[@class='diff'][1]/tbody/tr/td[2]");for(var i = 0; i < waste.snapshotLength; i++) {  while(waste.snapshotItem(i).nextSibling) {    remove(waste.snapshotItem(i).nextSibling);  }}// delete the 2nd line number cell in each columnvar line = get("//table[@class='diff'][1]/tbody/tr/td[@class='diff-lineno'][1]");for(var i = 0; i < line.snapshotLength; i++) {  remove(line.snapshotItem(i));}// delete the extra colsvar cols = get("//table[@class='diff'][1]/col");for(var i = 0; i < cols.snapshotLength; i++) {  var col = cols.snapshotItem(i);  if(col.className == "diff-content") {    col.style.width = "98%";    col.removeAttribute("class");  }  if(i > 1) remove(col);}// shorthand function to remove nodesfunction remove(node) {  node.parentNode.removeChild(node);}// xpath functionfunction get(query) {  return document.evaluate(    query,    document,    null,    XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,    null  );}});//