Merge branch 'master' into fix_1879

package.json

@@ -1,7 +1,7 @@
 {
   "name": "xterm",
   "description": "Full xterm terminal, in your browser",
-  "version": "3.10.0",
+  "version": "3.11.0",
   "main": "lib/public/Terminal.js",
   "types": "typings/xterm.d.ts",
   "repository": "https://github.com/xtermjs/xterm.js",

src/renderer/SelectionRenderLayer.ts

@@ -55,6 +55,7 @@ export class SelectionRenderLayer extends BaseRenderLayer {
 
     // Selection does not exist
     if (!start || !end) {
+      this._clearState();
       return;
     }