Fix errors in 'shr-correct-dom-case'

* lisp/net/shr.el (shr-correct-dom-case): Don't assume each CHILD is
a cons cell.  (Bug#70626)

(cherry picked from commit 05215177a61437e864ef771afc99b130866fbcb5)

diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 09df5f5a9bbde50895834124b0ee43276d0fdfea..14b3f7aa1634fd154be68713f97aa99f8c0f2e7a 100644 (file)
--- a/lisp/net/shr.el
+++ b/lisp/net/shr.el
@@ -1510,7 +1510,8 @@ Based on https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-infore
     (when-let ((rep (assoc-default (car attr) shr-correct-attribute-case)))
       (setcar attr rep)))
   (dolist (child (dom-children dom))
-    (shr-correct-dom-case child))
+    (when (consp child)
+      (shr-correct-dom-case child)))
   dom)
 
 (defun shr-tag-svg (dom)