W3cubDocs

/Elisp

Programming Types

There are two general categories of types in Emacs Lisp: those having to do with Lisp programming, and those having to do with editing. The former exist in many Lisp implementations, in one form or another. The latter are unique to Emacs Lisp.

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Licensed under the GNU GPL license.
https://www.gnu.org/software/emacs/manual/html_node/elisp/Programming-Types.html