Index: /anuga_core/source/anuga/abstract_2d_finite_volumes/test_util.py
===================================================================
--- /anuga_core/source/anuga/abstract_2d_finite_volumes/test_util.py	(revision 4159)
+++ /anuga_core/source/anuga/abstract_2d_finite_volumes/test_util.py	(revision 4160)
@@ -114,7 +114,7 @@
         import time
 
-	#Create sww file of simple propagation from left to right
-	#through rectangular domain
-	from shallow_water import Domain, Dirichlet_boundary
+        #Create sww file of simple propagation from left to right
+        #through rectangular domain
+        from shallow_water import Domain, Dirichlet_boundary
         from mesh_factory import rectangular
         from Numeric import take, concatenate, reshape
@@ -130,5 +130,5 @@
 
         domain1.default_order = 2
-	domain1.store = True
+        domain1.store = True
         domain1.set_datadir('.')
         domain1.set_name('spatio_temporal_boundary_source_%d' %(id(self)))
@@ -148,12 +148,12 @@
         finaltime = 8
         #Evolution
-	t0 = -1
+        t0 = -1
         for t in domain1.evolve(yieldstep = 0.1, finaltime = finaltime):
             #print 'Timesteps: %.16f, %.16f' %(t0, t)
             #if t == t0:
             #    msg = 'Duplicate timestep found: %f, %f' %(t0, t)
-	    #	raise msg
-	    t0 = t
-	     
+            #   raise msg
+            t0 = t
+             
             #domain1.write_time()
 
@@ -201,5 +201,5 @@
         msg = 'duplicate timesteps: %.16f and %.16f' %(T[-1], T[-2])
         assert not T[-1] == T[-2], msg
-	t = time[last_time_index]
+        t = time[last_time_index]
         q = f(t, point_id=0); assert allclose(r0, q)
         q = f(t, point_id=1); assert allclose(r1, q)
@@ -315,7 +315,7 @@
         import time
 
-	#Create sww file of simple propagation from left to right
-	#through rectangular domain
-	from shallow_water import Domain, Dirichlet_boundary
+        #Create sww file of simple propagation from left to right
+        #through rectangular domain
+        from shallow_water import Domain, Dirichlet_boundary
         from mesh_factory import rectangular
         from Numeric import take, concatenate, reshape
@@ -334,5 +334,5 @@
         
 
-        from anuga.utilities.numerical_tools import mean	
+        from anuga.utilities.numerical_tools import mean        
         domain1.reduction = mean
         domain1.smooth = True #NOTE: Mimic sww output where each vertex has
@@ -340,5 +340,5 @@
 
         domain1.default_order = 2
-	domain1.store = True
+        domain1.store = True
         domain1.set_datadir('.')
         domain1.set_name('spatio_temporal_boundary_source_%d' %(id(self)))
@@ -378,5 +378,5 @@
         #Diagonal is identified by vertices: 0, 5, 10, 15
 
-        last_time_index = len(time)-1 #Last last_time_index	
+        last_time_index = len(time)-1 #Last last_time_index     
         d_stage = reshape(take(stage[last_time_index, :], [0,5,10,15]), (4,1))
         d_uh = reshape(take(xmomentum[last_time_index, :], [0,5,10,15]), (4,1))
@@ -407,5 +407,5 @@
                           interpolation_points = d_midpoints)
 
-	t = time[last_time_index]			  
+        t = time[last_time_index]                         
         q = f(t, point_id=0); assert allclose(r0, q)
         q = f(t, point_id=1); assert allclose(r1, q)
@@ -658,5 +658,5 @@
         #Check that domain.starttime isn't updated if later than file starttime but earlier
         #than file end time
-	delta = 23
+        delta = 23
         domain.starttime = start + delta
         F = file_function(filename + '.sww', domain,
@@ -875,5 +875,5 @@
         #Check that domain.starttime isn't updated if later than file starttime but earlier
         #than file end time
-	delta = 23
+        delta = 23
         domain.starttime = start + delta
         F = file_function(filename + '.sww', domain,
@@ -1034,5 +1034,5 @@
         #Check that domain.starttime isn't updated if later than file starttime but earlier
         #than file end time
-	delta = 23
+        delta = 23
         domain.starttime = start + delta
         F = file_function(filename + '.tms', domain,
@@ -1139,17 +1139,17 @@
         """Test that obsolete call issues appropriate warning"""
 
-	#Turn warning into an exception
+        #Turn warning into an exception
         import warnings
-	warnings.filterwarnings('error')
+        warnings.filterwarnings('error')
 
         try:
-	    assert point_on_line( 0, 0.5, 0,1, 0,0 )
-	except DeprecationWarning:
-	    pass
-	else:
-	    msg = 'point_on_line should have issued a DeprecationWarning'
-	    raise Exception(msg)    
-
-	warnings.resetwarnings()
+            assert point_on_line( 0, 0.5, 0,1, 0,0 )
+        except DeprecationWarning:
+            pass
+        else:
+            msg = 'point_on_line should have issued a DeprecationWarning'
+            raise Exception(msg)    
+
+        warnings.resetwarnings()
     
     def test_get_version_info(self):
@@ -1162,8 +1162,8 @@
             int(fields[1])
         except:
-	    msg = 'Revision number must be an integer. I got %s' %fields[1]
+            msg = 'Revision number must be an integer. I got %s' %fields[1]
             msg += 'Chech that the command svn is on the system path' 
-	    raise Exception(msg)                
-	
+            raise Exception(msg)                
+        
     def test_add_directories(self):
         
@@ -1193,9 +1193,9 @@
         try:
             kens_dir = add_directories(root_dir, directories)
-	except OSError:
-	    pass
-	else:
-	    msg = 'bad dir name should give OSError'
-	    raise Exception(msg)    
+        except OSError:
+            pass
+        else:
+            msg = 'bad dir name should give OSError'
+            raise Exception(msg)    
             
         #clean up!
Index: /anuga_core/source/anuga/abstract_2d_finite_volumes/util.py
===================================================================
--- /anuga_core/source/anuga/abstract_2d_finite_volumes/util.py	(revision 4159)
+++ /anuga_core/source/anuga/abstract_2d_finite_volumes/util.py	(revision 4160)
@@ -544,5 +544,6 @@
     # Create dummy info 
     info = 'Revision: Version info could not be obtained.'
-    info += 'A command line version of svn and access to the '
+    info += 'A command line version of svn must be availbable '
+    info += 'on the system PATH, access to the subversion '
     info += 'repository is necessary and the output must '
     info += 'contain a line starting with "Revision:"'
@@ -551,5 +552,5 @@
         fid = os.popen('svn info')
     except:
-        msg = 'svn is not recognised'
+        msg = 'svn is not recognised on the system PATH'
         warn(msg, UserWarning)
     else:    
