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; Improve documentation of incf and decf

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* doc/lispref/variables.texi (Setting Generalized Variables): Mention
incf and decf.
* lisp/emacs-lisp/gv.el (incf, decf): Add references to Info manual
documentation on generalized variables.
This commit is contained in:
Stefan Kangas 2025-03-19 21:24:56 +01:00
parent 1fca171add
commit 03053baebe
2 changed files with 12 additions and 2 deletions
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doc/lispref/variables.texi
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@ -2920,6 +2920,10 @@ the list stored in @var{place}. It is analogous to @code{(setf
subforms. Note that @code{push} and @code{pop} on an @code{nthcdr}
place can be used to insert or delete at any position in a list.
Similarly, the macros @code{incf} and @code{decf} (@pxref{Arithmetic
Operations}) can be used to increment or decrement generalized
variables that are numbers.
The @file{cl-lib} library defines various extensions for generalized
variables, including additional @code{setf} places.
@xref{Generalized Variables,,, cl, Common Lisp Extensions}.