Merge branch 'master' into layering

README.md

@@ -151,7 +151,7 @@ computational environment for Jupyter, supporting interactive data science and s
 - [**Diag**](https://diag.ai): A better way to troubleshoot problems faster. Capture, share and reapply troubleshooting knowledge so you can focus on solving problems that matter.
 - [**GoTTY**](https://github.com/yudai/gotty): A simple command line tool that shares your terminal as a web application based on xterm.js.
 - [**genact**](https://github.com/svenstaro/genact): A nonsense activity generator.
-
+- [**cPanel & WHM**](https://cpanel.com): The hosting platform of choice.
 
 Do you use xterm.js in your application as well? Please [open a Pull Request](https://github.com/sourcelair/xterm.js/pulls) to include it here. We would love to have it in our list.
 

src/renderer/TextRenderLayer.ts

@@ -208,7 +208,9 @@ export class TextRenderLayer extends BaseRenderLayer {
       return;
     }
 
-    this._charAtlas.beginFrame();
+    if (this._charAtlas) {
+      this._charAtlas.beginFrame();
+    }
 
     this.clearCells(0, firstRow, terminal.cols, lastRow - firstRow + 1);
     this._drawBackground(terminal, firstRow, lastRow);