public void bug_not_well_formed_usd() {
			var p = new BxlXmlParser();
			var x = p.Parse("col \"vUSD\", \"$\"","main");
			Assert.AreEqual(@"<root><col _file=""main"" _line=""1"" code=""vUSD"" id=""vUSD"" name=""$"" /></root>", x.ToString(SaveOptions.DisableFormatting));
			
		}
		public void keep_single_usd_test()
		{
			var p = new BxlXmlParser();
			var x = p.Parse("c x='$' : '${z}'","main");
			Assert.AreEqual(@"<root><c _file=""main"" _line=""1"" x=""$"">${z}</c></root>", x.ToString(SaveOptions.DisableFormatting));
		}