rewrites into trunk

lib/python/Products/ExternalMethod/help/External-Method.stx

-External Method
-
-  Description
-
-    External Methods allow you to add functionality to Zope by writing
-    Python functions which are exposed as callable Zope objects.
+External Method: Call Python methods from Zope
+  
+  External Methods associate a Python function on the filesystem with
+  an object in Zope.  This object can be called from DTML and Python
+  like other Zope methods.

lib/python/Products/ExternalMethod/help/External-Method_Properties.stx

@@ -2,7 +2,7 @@ External Method - Properties: Manage the properties of an external method.
   
   Description
 
-    View and manage the properties of the currebt External Method. 
+    View and manage the properties of an External Method. 
 
   Controls
 

lib/python/Products/ExternalMethod/help/External-Method_Try-It.stx

-External Method - Try It: This view executes the external method.
+External Method - Try It: Test the external method.
   
   Description
 
-  	This view executes the external method and returns the results if
-  	any. Objects, such as classes, lists and dictionaries are rendered 
-  	to a string to be displayed. Only parameters from the web request 
-  	are passed the the external method.
\ No newline at end of file
+    This view executes the external method and returns the results if
+    any.  Only parameters from the web request are passed the the
+    external method.
+
+
+