diff -r b72c6db6890b -r 5dc02b23752f src/gui/kernel/qclipboard.cpp
--- a/src/gui/kernel/qclipboard.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/gui/kernel/qclipboard.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -107,6 +107,12 @@
     store or retrieve the clipboard contents in response to timer or
     non-user-input events.
 
+    \i Since there is no standard way to copy and paste files between
+    applications on X11, various MIME types and conventions are currently
+    in use. For instance, Nautilus expects files to be supplied with a
+    \c{x-special/gnome-copied-files} MIME type with data beginning with
+    the cut/copy action, a newline character, and the URL of the file.
+
     \endlist
 
     \section1 Notes for Mac OS X Users