diff --git a/src/utils/mimeparse.h b/src/utils/mimeparse.h
index adc3af3d..4ab82b31 100644
--- a/src/utils/mimeparse.h
+++ b/src/utils/mimeparse.h
@@ -1,20 +1,36 @@
 #ifndef _MIME_H_INCLUDED_
 #define _MIME_H_INCLUDED_
-/* @(#$Id: mimeparse.h,v 1.3 2005-10-15 12:18:04 dockes Exp $  (C) 2004 J.F.Dockes */
+/* @(#$Id: mimeparse.h,v 1.4 2006-01-17 10:08:51 dockes Exp $  (C) 2004 J.F.Dockes */
 
 #include <string>
 #include <map>
 
-// Simple (no quoting) mime value parser. Input: "value; pn1=pv1; pn2=pv2
+#include "base64.h"
+
+/** A class to represent a MIME header value with parameters */
 class MimeHeaderValue {
  public:
     std::string value;
     std::map<std::string, std::string> params;
 };
+
+/** 
+ * Parse MIME Content-type and Content-disposition value
+ *
+ * @param in the input string should be like: value; pn1=pv1; pn2=pv2. 
+ *   Example: text/plain; charset="iso-8859-1" 
+ */
 extern bool parseMimeHeaderValue(const std::string& in, MimeHeaderValue& psd);
 
-bool qp_decode(const std::string& in, std::string &out);
-bool base64_decode(const std::string& in, std::string &out);
-bool rfc2047_decode(const std::string& in, std::string &out);
+/** Quoted printable decoding */
+extern bool qp_decode(const std::string& in, std::string &out);
+
+/** Decode an Internet mail header value encoded according to rfc2047 
+ *
+ * Example input:  =?iso-8859-1?Q?RE=A0=3A_Smoke_Tests?=
+ * @param in input string, ascii with rfc2047 markup
+ * @return out output string encoded in utf-8
+ */
+extern bool rfc2047_decode(const std::string& in, std::string &out);
 
 #endif /* _MIME_H_INCLUDED_ */