This package provides two minor modes which automatically recompile Emacs Lisp source files. Together these modes guarantee that Emacs never loads outdated byte code files. Even when using ...

Elisp is a lisp-2 with user-defined macros. A simple parser cannot detect if e.g. (foo (let ...)) is a function call with a let expression argument, or a macro call where let means something else.

TIOBE Index for December 2025: Top 10 Most Popular Programming Languages Your email has been sent December’s TIOBE Index lands with a quieter top tier but a livelier shuffle just beneath it. The main ...

Abstract: John McCarthy designed the LISP programming language for the symbolic computation typical of artificial intelligence at the time, and LISP was strongly associated with AI at least through ...

A hash table is a Lisp object that can efficiently map a given Lisp object to another Lisp object. Each hash table has a set of entries, each of which associates a particular key with a particular ...

Normally multiple values are not used. Special forms are required both to produce multiple values and to receive them. If the caller of a function does not request multiple values, but the called ...