Link to external documentation about new style classes was
wrong. Fix issue 1774.
diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex
index c5dbfd2..4c85341 100644
--- a/Doc/ref/ref3.tex
+++ b/Doc/ref/ref3.tex
@@ -25,7 +25,7 @@
undergoes extensive revision, it must now be taken as authoritative
only regarding ``classic classes'', that are still the default, for
compatibility purposes, in Python 2.2 and 2.3. For more information,
-see \url{http://www.python.org/doc/newstyle.html}.}
+see \url{http://www.python.org/doc/newstyle/}.}
An object's type determines the operations that the object
supports (e.g., ``does it have a length?'') and also defines the
possible values for objects of that type. The
@@ -1101,7 +1101,7 @@
in case of multiple inheritance.
This manual is not up-to-date with respect to new-style classes. For now,
-please see \url{http://www.python.org/doc/newstyle.html} for more information.
+please see \url{http://www.python.org/doc/newstyle/} for more information.
The plan is to eventually drop old-style classes, leaving only the semantics of
new-style classes. This change will probably only be feasible in Python 3.0.