Argument: None
Key sequence: Ctrl+Shift+M
Macro-expands the form after the current point. The output is sent to the Output window. A prefix argument causes the output to be displayed in the current buffer.
Argument: None
Key sequence: +Shift+M
Produces an exhaustive macro-expansion of the form after the current point. The output is sent to the Output window. A prefix argument causes the output to be displayed in the current buffer.