Merge from savannah/emacs-30

7dcf9b71e6 ; Don't document package-x.el
a5fd518d52 ; Document spurious warnings on macOS 15
625ed68aea Fix the use of xref-window-local-history together with Xr...
8091772767 completing-read-multiple: Fix support for ":" as separator
38cc36a375 ; Improve docstring of cl-check-type

lisp/emacs-lisp/cl-macs.el

@@ -3576,7 +3576,10 @@ Of course, we really can't know that for sure, so it's just a heuristic."
 ;;;###autoload
 (defmacro cl-check-type (form type &optional string)
   "Verify that FORM is of type TYPE; signal an error if not.
-STRING is an optional description of the desired type."
+STRING is an optional description of the desired type.
+
+Hint: To check the type of an object, use `cl-type-of'.
+To define new types, see `cl-deftype'."
   (declare (debug (place cl-type-spec &optional stringp)))
   (and (or (not (macroexp-compiling-p))
 	   (< cl--optimize-speed 3) (= cl--optimize-safety 3))

lisp/emacs-lisp/crm.el

@@ -269,7 +269,9 @@ with empty strings removed."
           (setq-local completion-list-insert-choice-function
                       (lambda (_start _end choice)
                         (let* ((beg (save-excursion
-                                      (if (search-backward-regexp crm-separator nil t)
+                                      (if (search-backward-regexp crm-separator
+                                                                  (field-beginning)
+                                                                  t)
                                           (1+ (point))
                                         (minibuffer-prompt-end))))
                                (end (save-excursion