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22 lines
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22 lines
1.1 KiB
Plaintext
Most of the GNU Emacs text editor is written in the programming
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language called Emacs Lisp. You can write new code in Emacs Lisp and
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install it as an extension to the editor. However, Emacs Lisp is more
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than a mere ``extension language''; it is a full computer programming
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language in its own right. You can use it as you would any other
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programming language.
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Because Emacs Lisp is designed for use in an editor, it has special
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features for scanning and parsing text as well as features for
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handling files, buffers, displays, subprocesses, and so on. Emacs
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Lisp is closely integrated with the editing facilities; thus, editing
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commands are functions that can also conveniently be called from Lisp
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programs, and parameters for customization are ordinary Lisp
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variables.
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This manual describes Emacs Lisp, presuming considerable familiarity
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with the use of Emacs for editing. (See The GNU Emacs Manual for this
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basic information.) Generally speaking, the earlier chapters describe
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features of Emacs Lisp that have counterparts in many programming
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languages, and later chapters describe features that are peculiar to
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Emacs Lisp or relate specifically to editing.
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