Revert "Remove leftover from previous electric-layout-rules API"

This is a backward-incompatible change, and removing it isn't really
necessary.

This reverts commit 942dad2b519cabddf6caea7641517507dc06944b.

diff --git a/lisp/electric.el b/lisp/electric.el
index e2f9f7074369ff3e8f71c4d75e7600e3d93a3f53..f2061c2f52cb1fbc236bd3ca736fd7f398caa5f3 100644 (file)
--- a/lisp/electric.el
+++ b/lisp/electric.el
@@ -414,6 +414,7 @@ If multiple rules match, only first one is executed.")
                ;; Not in a string or comment.
                (not (nth 8 (save-excursion (syntax-ppss pos)))))
       (goto-char pos)
+      (when (functionp rule) (setq rule (funcall rule)))
       (dolist (sym (if (symbolp rule) (list rule) rule))
         (let* ((nl-after
                 (lambda ()