object; an existing reference object may be returned. The second
parameter, \var{callback}, can be a callable object that receives
notification when \var{ob} is garbage collected; it should accept a
- single paramter, which will be the weak reference object itself.
+ single parameter, which will be the weak reference object itself.
\var{callback} may also be \code{None} or \NULL. If \var{ob}
is not a weakly-referencable object, or if \var{callback} is not
callable, \code{None}, or \NULL, this will return \NULL{} and
a new object; an existing proxy object may be returned. The second
parameter, \var{callback}, can be a callable object that receives
notification when \var{ob} is garbage collected; it should accept a
- single paramter, which will be the weak reference object itself.
+ single parameter, which will be the weak reference object itself.
\var{callback} may also be \code{None} or \NULL. If \var{ob} is not
a weakly-referencable object, or if \var{callback} is not callable,
\code{None}, or \NULL, this will return \NULL{} and raise