--- a/src/internfile/mimehandler.h
+++ b/src/internfile/mimehandler.h
@@ -1,6 +1,6 @@
 #ifndef _MIMEHANDLER_H_INCLUDED_
 #define _MIMEHANDLER_H_INCLUDED_
-/* @(#$Id: mimehandler.h,v 1.2 2005-01-26 11:47:27 dockes Exp $  (C) 2004 J.F.Dockes */
+/* @(#$Id: mimehandler.h,v 1.3 2005-01-29 15:41:11 dockes Exp $  (C) 2004 J.F.Dockes */
 
 #include <string>
 
@@ -11,8 +11,17 @@
 typedef bool (*MimeHandlerFunc)(RclConfig *, const std::string &, 
 				const std::string &, Rcl::Doc&);
 
+/**
+ * Return indexing handler function for given mime type
+ */
 extern MimeHandlerFunc getMimeHandler(const std::string &mtype, 
 				      ConfTree *mhandlers);
+
+/**
+ * Return external viewer exec string for given mime type
+ */
+extern string getMimeViewer(const std::string &mtype, 
+			    ConfTree *mhandlers);
 
 extern bool textHtmlToDoc(RclConfig *conf, const string &fn, 
 			  const string &mtype, Rcl::Doc &docout);