diff -up kdebase-runtime-4.3.1/kioslave/man/kio_man.cpp.manpath kdebase-runtime-4.3.1/kioslave/man/kio_man.cpp
--- kdebase-runtime-4.3.1/kioslave/man/kio_man.cpp.manpath	2009-06-03 13:54:13.000000000 +0200
+++ kdebase-runtime-4.3.1/kioslave/man/kio_man.cpp	2009-09-30 19:25:03.254684269 +0200
@@ -1,5 +1,6 @@
 /*  This file is part of the KDE libraries
     Copyright (c) 2000 Matthias Hoelzer-Kluepfel <mhk@caldera.de>
+    Copyright (c) 2009 Red Hat, Inc.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
@@ -17,6 +18,13 @@
     Boston, MA 02110-1301, USA.
 */
 
+/* 
+ Changes:
+ 
+ - 2009-09-30: use manpath binary if available to construct the man path (Nils
+               Philippsen <nils@redhat.com>)
+*/
+
 #include "kio_man.h"
 
 #include <stdio.h>
@@ -31,6 +39,8 @@
 #include <QTextStream>
 #include <QDataStream>
 #include <QMap>
+#include <QIODevice>
+#include <QProcess>
 #include <QRegExp>
 #include <QTextCodec>
 
@@ -817,7 +827,7 @@ void MANProtocol::showMainIndex()
     finished();
 }
 
-void MANProtocol::constructPath(QStringList& constr_path, QStringList constr_catmanpath)
+void MANProtocol::constructPathFallback(QStringList& constr_path, QStringList constr_catmanpath)
 {
     QMap<QString, QString> manpath_map;
     QMap<QString, QString> mandb_map;
@@ -984,6 +994,43 @@ void MANProtocol::constructPath(QStringL
     }
 }
 
+void MANProtocol::constructPathManpath(QStringList& constr_path, QStringList& constr_catmanpath)
+{
+    QProcess manpath;
+    QStringList args;
+
+    // start the "manpath" command, ...
+    manpath.start( "manpath", args, QIODevice::ReadOnly );
+
+    // ... wait (forever) until it's started, ...
+    if ( ! manpath.waitForStarted( -1 ) )
+        // ... or errors out, ...
+        return;
+
+    // ... wait (forever) until it's finished, ...
+    if ( ! manpath.waitForFinished( -1 ) )
+        // ... or errors out, ...
+        return;
+
+    // ... grab its output, ...
+    QString manpath_output = QString( manpath.readAllStandardOutput() );
+
+    // ... close the process, ...
+    manpath.close();
+
+    // ... then process its output.
+    constr_path = manpath_output.split( ":", QString::SkipEmptyParts );
+}
+
+void MANProtocol::constructPath(QStringList& constr_path, QStringList& constr_catmanpath)
+{
+    // Attempt to use the "manpath" command, ...
+    constructPathManpath( constr_path, constr_catmanpath );
+    if ( constr_path.count() == 0 )
+        // ... if that yields nothing, fall back to our own implementation
+        constructPathFallback ( constr_path, constr_catmanpath );
+}
+
 void MANProtocol::checkManPaths()
 {
     static bool inited = false;
diff -up kdebase-runtime-4.3.1/kioslave/man/kio_man.h.manpath kdebase-runtime-4.3.1/kioslave/man/kio_man.h
--- kdebase-runtime-4.3.1/kioslave/man/kio_man.h.manpath	2008-11-19 11:17:53.000000000 +0100
+++ kdebase-runtime-4.3.1/kioslave/man/kio_man.h	2009-09-30 19:24:18.733936178 +0200
@@ -68,7 +68,9 @@ private:
     void addToBuffer(const char *buffer, int buflen);
     QString pageName(const QString& page) const;
     QStringList buildSectionList(const QStringList& dirs) const;
-    void constructPath(QStringList& constr_path, QStringList constr_catmanpath);
+    void constructPathFallback(QStringList& constr_path, QStringList constr_catmanpath);
+    void constructPathManpath(QStringList& constr_path, QStringList& constr_catmanpath);
+    void constructPath(QStringList& constr_path, QStringList& constr_catmanpath);
 private:
     static MANProtocol *_self;
     QByteArray lastdir;