Improve documentation of save-place-abbreviate-file-names

* lisp/saveplace.el (save-place-abbreviate-file-names): Document why
you might want to enable this option.

diff --git a/lisp/saveplace.el b/lisp/saveplace.el
index 2a95b39da8785ff716e0a0486ffbb3e03c058d4f..8225588b9db620aee0f740c2bbf93b577d9c20fa 100644 (file)
--- a/lisp/saveplace.el
+++ b/lisp/saveplace.el
@@ -88,7 +88,9 @@ this happens automatically before saving `save-place-alist' to
   :type 'boolean)
 
 (defcustom save-place-abbreviate-file-names nil
-  "If non-nil, abbreviate file names before saving them."
+  "If non-nil, abbreviate file names before saving them.
+This can simplify sharing the `save-place-file' file across
+different hosts."
   :type 'boolean
   :version "28.1")