/// <summary>
 /// Creates a mixed code document instance.
 /// </summary>
 public MixedCodeDocument()
 {
     _codefragments = new MixedCodeDocumentFragmentList(this);
     _textfragments = new MixedCodeDocumentFragmentList(this);
     _fragments     = new MixedCodeDocumentFragmentList(this);
 }
 /// <summary>
 /// Creates a mixed code document instance.
 /// </summary>
 public MixedCodeDocument()
 {
     _codefragments = new MixedCodeDocumentFragmentList(this);
     _textfragments = new MixedCodeDocumentFragmentList(this);
     _fragments = new MixedCodeDocumentFragmentList(this);
 }