Only convert Page and Document formats is the related Format file exists.

Skip commented lines in INI file.
Remove inline comments before processing INI file.
Use more explicit comparisons to determine type of command.
Replace spaces with {sp}.

PROMS/fmtxml/RtfToSvg.cs

@@ -296,6 +296,7 @@ namespace fmtxml
 			str = str.Replace("<", "&lt;");
 			str = str.Replace(">", "&gt;");
 			str = str.Replace("\x0B", "&#11;");
+			str = str.Replace(" ", "{sp}");
 			return str;
 		}
 		private static string[] FontChoice =