emacs-29 96181ed3f0: Document 'plistp'

[Eli Zaretskii]

branch: emacs-29
commit 96181ed3f09b12c7e91ddabab5b02f0ee868fa50
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Document 'plistp'
    
    * doc/lispref/lists.texi (Property Lists): Document 'plistp'.
    (Bug#61293)
---
 doc/lispref/lists.texi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/lispref/lists.texi b/doc/lispref/lists.texi
index 44b7058e19..454fd217ac 100644
--- a/doc/lispref/lists.texi
+++ b/doc/lispref/lists.texi
@@ -1914,6 +1914,11 @@ properties.  Every symbol possesses a list of 
properties, used to
 record miscellaneous information about the symbol; these properties
 are stored in the form of a property list.  @xref{Symbol Properties}.
 
+@defun plistp object
+This predicate function returns non-@code{nil} if @var{object} is a
+valid property list.
+@end defun
+
 @menu
 * Plists and Alists::           Comparison of the advantages of property
                                   lists and association lists.