91 		var prev = '';
98 			if (moved[prev] == null && !removed[pageId] &&
103 				moved[prev] = pageId;
106 			prev = pageId;
270 			var prev = (temp.previous != null) ? temp.previous : '';
271 			getLookup(par).inserted[prev] = temp;
323 		var prev = model.updateEdgeParent;
411 		model.updateEdgeParent = prev;
444 		var prev = '';
450 			if (moved[prev] == null &&
456 				moved[prev] = cellId;
459 			prev = cellId;
676 	var prev = null;
680 		lookup[newPages[i].getId()] = {page: newPages[i], prev: prev};  property in EditorUi.diffPages.lookup
681 		prev = newPages[i];
684 	prev = null;
712 			if (((newPage.prev != null) ? prev == null : prev != null) ||
713 				(prev != null && newPage.prev != null &&
714 				prev.getId() != newPage.prev.getId()))
716 				pageDiff.previous = (newPage.prev != null) ? newPage.prev.getId() : '';
734 		prev = oldPages[i];
741 			previous: (newPage.prev != null) ?
742 			newPage.prev.getId() : ''});
766 EditorUi.prototype.createCellLookup = function(cell, prev, lookup)  argument
769 	lookup[cell.getId()] = {cell: cell, prev: prev};  property in EditorUi.createCellLookup.lookup
772 	prev = null;
777 		this.createCellLookup(child, prev, lookup);
778 		prev = child;
787 EditorUi.prototype.diffCellRecursive = function(cell, prev, lookup, diff, removed)  argument
802 			(((newCell.prev != null) ? prev == null : prev != null) ||
803 			(prev != null && newCell.prev != null &&
804 			prev.getId() != newCell.prev.getId())))
806 			temp.previous = (newCell.prev != null) ? newCell.prev.getId() : '';
816 	prev = null;
821 		this.diffCellRecursive(child, prev, lookup, diff, removed);
822 		prev = child;
846 		inserted.push(this.getJsonForCell(newCell.cell, newCell.prev));