             name: 'punctuation.definition.arguments.end.latex'
       }
       {
-        comment: '\hyperimage{URL}{text}'
+        comment: '\\hyperimage{URL}{text}'
         begin: '((\\\\)hyperimage)(\\{)(.*?)(\\})(\\{)'
         beginCaptures:
           1:

        ]
      }
      {
        comment: '\url{URL}'
        match: '((\\\\)(?:nolink|hyperbase)url)(\\{)(.*?)(\\})'
        captures:
          1:

    comment: 'Intended to match the url commands provided by hyperref. Less lenient than I would like, but difficult to improve.'
    patterns: [
      {
        comment: '\\href[options]{URL}{text}'
        begin: '((\\\\)href)\\s*(?:(\\[)(.*?)(\\]))?\\s*(\\{)(.*?)(\\})(\\{)'
        beginCaptures:
          1:
