using xml** Contains human-readable text.** ** @see The [Text]`http://tools.ietf.org/html/rfc4287#section-3.1` Constructclass Text {privatestaticconst XNs xmlNs := XNs("xml", ``)** *(Required)*** The human-readable text. This should not be XML escaped. Str content** *(Required)*** Determines how the 'content' is encoded / escaped. TextType type** *(Optional)* Used to control how relative URIs are resolved. Uri? xmlBase** *(Optional)* Used to identify the language of any human readable text. Str? xmlLang** Creates a 'Text' with the required fields.** ** Note that 'content' should *not* be XML escaped in any way as this will be done ** automatically, dependent on the 'TextType' value.new make(Str content, TextType type := TextType.text){this.content = contentthis.type = type}** Creates a Text element with the given element name.virtual XElem toXml(Str elementName){ text := XElem(elementName)if(xmlLang != null) text.addAttr("lang", xmlLang.toStr, xmlNs)if(xmlBase != null) text.addAttr("base", xmlBase.toStr, xmlNs) text.addAttr("type", type.toStr) text.add(type.escape(content))return text}}