Added additional characters that change position

core/ansi_escape_parser.js

@@ -12,8 +12,11 @@ const _ = require('lodash');
 
 exports.ANSIEscapeParser = ANSIEscapeParser;
 
+const TAB = 0x09;
 const CR = 0x0d;
 const LF = 0x0a;
+const FF = 0x0c;
+const BKSP = 0x08;
 
 function ANSIEscapeParser(options) {
     var self = this;
@@ -96,6 +99,28 @@ function ANSIEscapeParser(options) {
             charCode = text.charCodeAt(pos) & 0xff; //  8bit clean
 
             switch (charCode) {
+                case TAB:
+                    self.emit('literal', text.slice(start, pos + 1));
+                    start = pos + 1;
+
+                    self.column += 8 - ((self.column - 1) % 8);
+
+                    self.positionUpdated();
+                    break;
+                case BKSP:
+                    self.emit('literal', text.slice(start, pos + 1));
+                    start = pos + 1;
+
+                    self.column = Math.max(1, self.column - 1);
+
+                    self.positionUpdated();
+                    break;
+                case FF:
+                    self.emit('literal', text.slice(start, pos + 1));
+                    start = pos + 1;
+
+                    self.clearScreen();
+                    break;
                 case CR:
                     self.emit('literal', text.slice(start, pos + 1));
                     start = pos + 1;