--- a/common/__init__.py	Thu May 14 10:24:56 2009 +0200
+++ b/common/__init__.py	Thu May 14 11:38:40 2009 +0200
@@ -15,38 +15,38 @@
 class COMMA_JOIN(FunctionDescr):
     supported_backends = ('postgres', 'sqlite',)
     rtype = 'String'
-    
+
     @classmethod
     def st_description(cls, funcnode):
         return ', '.join(term.get_description()
                          for term in iter_funcnode_variables(funcnode))
-    
+
 register_function(COMMA_JOIN)  # XXX do not expose?
 
 
 class CONCAT_STRINGS(COMMA_JOIN):
     aggregat = True
-    
+
 register_function(CONCAT_STRINGS) # XXX bw compat
 
 class GROUP_CONCAT(CONCAT_STRINGS):
     supported_backends = ('mysql', 'postgres', 'sqlite',)
-    
+
 register_function(GROUP_CONCAT)
 
 
 class LIMIT_SIZE(FunctionDescr):
     supported_backends = ('postgres', 'sqlite',)
     rtype = 'String'
-    
+
     @classmethod
     def st_description(cls, funcnode):
         return funcnode.children[0].get_description()
-    
+
 register_function(LIMIT_SIZE)
 
 
 class TEXT_LIMIT_SIZE(LIMIT_SIZE):
     supported_backends = ('mysql', 'postgres', 'sqlite',)
-    
+
 register_function(TEXT_LIMIT_SIZE)