DocumentWithImages=DocumentWithImages.DocumentWithImages()
HTMLWithImages=HTMLWithImages.HTMLWithImages()
-DocBookBook=DocBookClass.DocBookBook
+DocBookBook=DocBookClass.DocBookBook()
DocBookChapter=DocBookClass.DocBookChapter()
DocBookChapterWithFigures=DocBookClass.DocBookChapterWithFigures()
DocBookArticle=DocBookClass.DocBookArticle()