System.Xml.Xsl.XsltOld.SequentialOutput.WriteXmlDeclaration C# (CSharp) Method

        void WriteXmlDeclaration() {
            Debug.Assert(this.outputXmlDecl == true, "It supposed to check this condition before actual call");
            Debug.Assert(this.isXmlOutput && ! this.output.OmitXmlDeclaration, "We set outputXmlDecl == true only if");
            this.outputXmlDecl = false;

            Indent(0);
            Write(s_LessThanQuestion);
            WriteName(string.Empty, "xml");
            Write(s_VersionAll);
            if (this.encoding != null) {
                Write(s_EncodingStart);
                Write(this.encoding.WebName);
                Write(s_Quote);
            }
            if (output.HasStandalone) {
                Write(s_Standalone);
                Write(output.Standalone ? Keywords.s_Yes : Keywords.s_No);
                Write(s_Quote);
            }
            Write(s_QuestionGreaterThan);
        }