• added support for magic constants __LINE__, __FILE__, __DIR__
• added strict parsing mode via Engine::setStrictParsing()
• added support for variable tags <{$foo}>
• added constant Template::Source
• n:tag supports XML
• in XML are tag names case sensitive
• content in </foo ...> is not allowed (BC break)
• TemplateLexer is driven from parser
• TemplateParserHtml: HTML attribute name can be PrintNode or string (BC break)
• TokenStream::throwUnexpectedException() reports only single token