bug#32828: 27.0.50; Docstring of `dbus-init-bus' incorrect

[Eli Zaretskii]

> From: Michael Albinus <michael.albinus@gmx.de>
> Date: Tue, 25 Sep 2018 11:33:38 +0200
> Cc: 32828@debbugs.gnu.org
> 
> >> The function returns a number, which counts the connections this Emacs
> >> session has established to the BUS under the same unique name
> >
> > However:
> >
> > (dbus-init-bus :system)
> >
> > ==> ((:signal :system "org.freedesktop.DBus.Local" "Disconnected") (nil 
> > "/org/freedesktop/DBus/Local" dbus-handle-bus-disconnect))
> >
> > Looking at the definition of `dbus-init-bus', it seems that only a
> > `prog1' form is missing to make the docstring correct:
> >
> >   (prog1 (dbus--init-bus ...) (dbus-register-signal ...))
> 
> Indeed. dbus--init-bus keeps the original implementation of dbus-init-bus.
> It would be safe to apply this patch even to the emacs-26 branch, IMHO.
> 
> Eli?

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