The following constructs bind names: formal parameters to functions,
:keyword:`import` statements, class and function definitions (these bind the
class or function name in the defining block), and targets that are identifiers
-if occurring in an assignment, :keyword:`for` loop header, or in the second
-position of an :keyword:`except` clause header. The :keyword:`import` statement
-of the form "``from ...import *``" binds all names defined in the imported
+if occurring in an assignment, :keyword:`for` loop header, or after
+:keyword:`as` in a :keyword:`with` statement or :keyword.`except` clause.
+The :keyword:`import` statement
+of the form ``from ... import *`` binds all names defined in the imported
module, except those beginning with an underscore. This form may only be used
at the module level.