From: Stefan Kangas <stefankangas@gmail.com>
Date: Sun, 19 Jan 2025 12:57:23 +0000 (+0100)
Subject: Better document side-effect free and pure C functions
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=2261b42458a4b260c3aaf08dc9314b27337360e5;p=emacs.git

Better document side-effect free and pure C functions

* doc/lispref/internals.texi (Writing Emacs Primitives):
Document that side-effect free and pure properties of C functions
are defined in byte-opt.el.

(cherry picked from commit 4726900fdc5b0736feb03e928594eb64262f9bd5)
---

diff --git a/doc/lispref/internals.texi b/doc/lispref/internals.texi
index ff09e0aca1c..c6ca8159313 100644
--- a/doc/lispref/internals.texi
+++ b/doc/lispref/internals.texi
@@ -1164,7 +1164,8 @@ functions.
 
   If you define a function which is side-effect free or pure, give it
 a non-@code{nil} @code{side-effect-free} or @code{pure} property,
-respectively (@pxref{Standard Properties}).
+respectively (@pxref{Standard Properties}).  See the lists defined in
+@samp{byte-opt.el}.
 
 @node Writing Dynamic Modules
 @section Writing Dynamically-Loaded Modules