U4-1611 - fix xpath special chars escaping issues in published content store

src/Umbraco.Core/Xml/XmlNamespaces.cs

@@ -0,0 +1,41 @@
+// source: mvpxml.codeplex.com
+
+namespace Umbraco.Core.Xml
+{
+	/// <summary>
+	/// Provides public constants for wellknown XML namespaces.
+	/// </summary>
+	/// <remarks>Author: Daniel Cazzulino, <a href="http://clariusconsulting.net/kzu">blog</a></remarks>
+	public static class XmlNamespaces
+	{
+		/// <summary>
+		/// The public XML 1.0 namespace. 
+		/// </summary>
+		/// <remarks>See http://www.w3.org/TR/2004/REC-xml-20040204/</remarks>
+		public const string Xml = "http://www.w3.org/XML/1998/namespace";
+
+		/// <summary>
+		/// Public Xml Namespaces specification namespace. 
+		/// </summary>
+		/// <remarks>See http://www.w3.org/TR/REC-xml-names/</remarks>
+		public const string XmlNs = "http://www.w3.org/2000/xmlns/";
+
+		/// <summary>
+		/// Public Xml Namespaces prefix. 
+		/// </summary>
+		/// <remarks>See http://www.w3.org/TR/REC-xml-names/</remarks>
+		public const string XmlNsPrefix = "xmlns";
+
+		/// <summary>
+		/// XML Schema instance namespace.
+		/// </summary>
+		/// <remarks>See http://www.w3.org/TR/xmlschema-1/</remarks>
+		public const string Xsi = "http://www.w3.org/2001/XMLSchema-instance";
+
+		/// <summary>
+		/// XML 1.0 Schema namespace.
+		/// </summary>
+		/// <remarks>See http://www.w3.org/TR/xmlschema-1/</remarks>
+		public const string Xsd = "http://www.w3.org/2001/XMLSchema";
+	}
+}