Avoid signaling args-out-of-range in mouse.el

* lisp/mouse.el (mouse-posn-property): Avoid
signaling args-out-of-range errors when mode-line format uses
min-width 'display' property.  (Bug#59452)

diff --git a/lisp/mouse.el b/lisp/mouse.el
index e38a4f8a71ab1d753cb7d0167fec2b1cdcae3084..f72ab4fc6422d3b78037eddb8fc6572222bb0cf8 100644 (file)
--- a/lisp/mouse.el
+++ b/lisp/mouse.el
@@ -1579,6 +1579,7 @@ its value is returned."
         ;; `category' property at PT while doing the (get-char-property
         ;; pt property w)!
        (or (and str
+                 (< (cdr str) (length (car str)))
                 (get-text-property (cdr str) property (car str)))
             ;; Mouse clicks in the fringe come with a position in
             ;; (nth 5).  This is useful but is not exactly where we clicked, so