[issue47220] Document the optional callback parameter of weakref.WeakMethod

Raymond Hettinger added the comment: Antoine, was the *callback* argument intended to be part of the public API? -- nosy: +pitrou, rhettinger ___ Python tracker ___

[issue47220] Document the optional callback parameter of weakref.WeakMethod

New submission from Géry : - Document the optional *callback* parameter of `weakref.WeakMethod`. - Fix a few spelling mistakes. - Improve wording. -- components: Library (Lib) messages: 416697 nosy: maggyero priority: normal pull_requests: 30376 severity: normal status: open title: