   }
   {
     'begin': '\`'
-    'end': '\`'
+    'end': '[^\\\\]?\`'
     'contentName': 'regexp.lo'
     'patterns': [
         'include' : '#escaped-char'

  }
  {
    'begin': '"'
    'end': '"'
    'contentName': 'string.quoted.double.lo'
    'patterns': [
      'include' : '#escaped-char'
      {
        'begin':'\\\\\\('
        'end':'\\)'

  }
  {
    'begin': '\''
    'end': '[^\\\\]?\''
    'contentName': 'string.quoted.single.lo'
    'patterns': [
        'include' : '#escaped-char'
