wrapped line rendering fixes from ace

plugins/node_modules/ace/lib/ace/layer/text.js

@@ -195,6 +195,7 @@ var Text = function(parentEl) {
             lineElementsIdx ++;
         }
 
+        var heightChanged = false;
         var row = first;
         var foldLine = this.session.getNextFoldLine(row);
         var foldStart = foldLine ? foldLine.start.row : Infinity;
@@ -214,10 +215,20 @@ var Text = function(parentEl) {
                 this.$renderLine(
                     lineElement, row, row == foldStart ? foldLine : false
                 );
-                lineElement.style.height = (config.lineHeight * this.session.getRowLength(row)) + "px";
+                var height = (config.lineHeight * this.session.getRowLength(row)) + "px";
+                if (lineElement.style.height != height) {
+                    heightChanged = true;
+                    lineElement.style.height = height;
+                }
             }
             row++;
         }
+        if (heightChanged) {
+            while (lineElementsIdx < this.$lines.cells.length) {
+                var cell = this.$lines.cells[lineElementsIdx++];
+                cell.element.style.top = this.$lines.computeLineTop(cell.row, config, this.session) + "px";
+            }
+        }
     };
 
     this.scrollLines = function(config) {

plugins/node_modules/ace/lib/ace/virtual_renderer.js

@@ -885,7 +885,7 @@ var VirtualRenderer = function(container, theme) {
                 this.$textLayer.scrollLines(config);
 
             if (this.$showGutter) {
-                if (changes & this.CHANGE_GUTTER)
+                if (changes & this.CHANGE_GUTTER || changes & this.CHANGE_LINES)
                     this.$gutterLayer.update(config);
                 else
                     this.$gutterLayer.scrollLines(config);