# HG changeset patch
# User Alpar Juttner <alpar@cs.elte.hu>
# Date 1376039247 -7200
# Node ID 70b199792735c034825047537cef0250c8fb28df
# Parent  552e3d1242c641658cdb188d4efe452404fb5f22
Clarification in biNodeConnected() doc (#439)

diff -r 552e3d1242c6 -r 70b199792735 lemon/connectivity.h
--- a/lemon/connectivity.h	Thu Aug 08 22:56:10 2013 +0200
+++ b/lemon/connectivity.h	Fri Aug 09 11:07:27 2013 +0200
@@ -749,7 +749,13 @@
   /// node.
   ///
   /// \return \c true if the graph bi-node-connected.
-  /// \note By definition, the empty graph is bi-node-connected.
+  ///
+  /// \note By definition,
+  /// \li a graph consisting of zero or one node is bi-node-connected,
+  /// \li a graph consisting of two isolated nodes
+  /// is \e not bi-node-connected and
+  /// \li a graph consisting of two nodes connected by an edge
+  /// is bi-node-connected.
   ///
   /// \see countBiNodeConnectedComponents(), biNodeConnectedComponents()
   template <typename Graph>