myLanguage = HTMLLanguage.INSTANCE;
super.setUp();
addExplicitExtension(LanguageParserDefinitions.INSTANCE, XMLLanguage.INSTANCE, new XMLParserDefinition());
addExplicitExtension(LanguageParserDefinitions.INSTANCE, DTDLanguage.INSTANCE, new DTDParserDefinition());
addExplicitExtension(LanguageParserDefinitions.INSTANCE, HTMLLanguage.INSTANCE, new HTMLParserDefinition());
addExplicitExtension(LanguageASTFactory.INSTANCE, HTMLLanguage.INSTANCE, new XmlASTFactory());
addExplicitExtension(LanguageASTFactory.INSTANCE, XMLLanguage.INSTANCE, new XmlASTFactory());
addExplicitExtension(LanguageASTFactory.INSTANCE, DTDLanguage.INSTANCE, new XmlASTFactory());
registerExtensionPoint(new ExtensionPointName<StartTagEndTokenProvider>("com.intellij.xml.startTagEndToken"),
StartTagEndTokenProvider.class);
registerExtensionPoint(new ExtensionPointName<HtmlEmbeddedTokenTypesProvider>("com.intellij.html.embeddedTokenTypesProvider"),
HtmlEmbeddedTokenTypesProvider.class);
registerExtensionPoint(new ExtensionPointName<HtmlInlineScriptTokenTypesProvider>("com.intellij.html.inlineScriptTokenTypesProvider"),