i = url.IndexOfAny (new char[] {'.','?','\\'});\r
if (i != -1) url = url.Substring (0,i);\r
\r
- return url;\r
+ System.Text.StringBuilder sb = new System.Text.StringBuilder ();\r
+ for (int n=0; n<url.Length; n++)\r
+ if (Char.IsLetterOrDigit (url[n]) || url[n] == '_') sb.Append (url[n]);\r
+ \r
+ return sb.ToString ();\r
}\r
\r
public abstract object ReadDocument (Stream stream);\r