--- a/man/internals/internals.texi	Wed Apr 01 20:46:58 2009 +0900
+++ b/man/internals/internals.texi	Thu Apr 02 15:29:57 2009 +0900
@@ -20288,6 +20288,11 @@
 write characters, so the calling functions do not have to worry about
 blocking data together in order to achieve efficiency.
 
+Lstreams seem to be similar to Python 2.5 generators/coroutines.  David
+Beasley's tutorials on @uref{http://dabeaz.com/generators-uk/,generators}
+and @uref{http://dabeaz.com/coroutines/,coroutines} are an excellent
+resource.
+
 @menu
 * Creating an Lstream::         Creating an lstream object.
 * Lstream Types::               Different sorts of things that are streamed.
@@ -27538,7 +27543,7 @@
 don't blame Ben (or Eric and Matthias, for that matter).  Feel free to
 add, edit, and share the blame, guys!
 
-@c #### Make these @urlref's!!
+@c #### Make these @uref's!!
 As of late November 2004, this principally means adding support for the
 @file{Xft} library, which provides a more robust @emph{font
 configuration} mechanism via Keith Packard's @file{fontconfig} library