Subject: 26.0.50; Opening bracket in char-class :alnum:

From: Andreas Röhler <[email-masked]>
Date: Wed, 9 Nov 2016 09:53:00 +0100

In GNU Emacs 26.0.50.1 (i686-pc-linux-gnu, GTK+ Version 3.14.5)
  of 2016-10-11

Behind some opening brackets:

[[[[[

Funktion below would skip backward over

(defun my-skb ()
   (interactive)
   (skip-chars-backward "[[:alnum:]]"))