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I have a macro that creates function. It creates interactive functions based on current opened buffer. However, it starts to flood the M-x after a long running section. Is there a way to make a function invalid?
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defun is the usual way to define new Lisp functions. It defines the symbol name as a function with argument list args (see Features of Argument Lists) and body forms given by body . Neither name nor args should be quoted.
Emacs Lisp is a dialect of the Lisp programming language used as a scripting language by Emacs (a text editor family most commonly associated with GNU Emacs and XEmacs). It is used for implementing most of the editing functionality built into Emacs, the remainder being written in C, as is the Lisp interpreter.
You can use fmakunbound:
(fmakunbound 'my-boring-function)
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