| HTMLEnhancementExtensionPoint | 
 This extension point handle the new tags you want to add to the default implementation of the docbook 
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| HTMLEnhancementSource | 
 Source based upon a string 
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| HTMLEnhancementTransformer | 
 This cocoon transformer use the DocbookEnhancementExtensionPoint to be based upon a serie of EnhancementHandler 
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| HTMLEnhancer | 
 This class represent a enhancement to html 
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| HTMLOutgoingReferencesExtractor | 
 This impl extract outgoing references on html rich texts 
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| HTMLSourceFactory | 
 This factory return files upon the HTMLEnhancementExtensionPoint. 
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| HTMLTransformer | 
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