Subject: bug#14738: 24.3.50; defcustom :type (repeat (cons symbol plist)) when nil is the default value.

From: Drew Adams <[email-masked]>
Date: Fri, 28 Jun 2013 23:04:15 -0700 (PDT)

> > This is what I see, with nil as the default value of the option:
> >
> > ,----
> > | Hide Gnus Face Properties Alist:
> > | INS
> > |     State : STANDARD.
> > |    Alist....
> > | Groups: Gnus Article Headers
> > `----
> 
> What if you try to INS now?  Does the plist have INS buttons?

No, I see the same problem.

Plus, with the non-nil default value, the two INS buttons in the
Plist field act the same (there should not be two, one paired
with DEL and one alone).  Plus, all but the first INS DEL pair
are indented differently from the first pair.