make xmldocs failed with error after 4.17 merge period

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Fri, Apr 06, 2018 at 11:15:55AM +0300, Heikki Krogerus wrote:
> On Fri, Apr 06, 2018 at 09:57:34AM +0200, Greg KH wrote:
> > On Fri, Apr 06, 2018 at 10:51:09AM +0300, Heikki Krogerus wrote:
> > > On Fri, Apr 06, 2018 at 12:38:42PM +0900, Masanari Iida wrote:
> > > > After merge following patch during 4.17 merger period,
> > > > make xmldocs start to fail with error.
> > > > 
> > > >  [bdecb33af34f79cbfbb656661210f77c8b8b5b5f]
> > > > usb: typec: API for controlling USB Type-C Multiplexers
> > > > 
> > > > Error messages.
> > > > reST markup error:
> > > > /home/iida/Repo/linux-2.6/Documentation/driver-api/usb/typec.rst:215:
> > > > (SEVERE/4) Unexpected section title or transition.
> > > > 
> > > > ------------------------
> > > > Documentation/Makefile:93: recipe for target 'xmldocs' failed
> > > > make[1]: *** [xmldocs] Error 1
> > > > Makefile:1527: recipe for target 'xmldocs' failed
> > > > make: *** [xmldocs] Error 2
> > > > 
> > > > $
> > > > 
> > > > An ascii graphic in typec.rst cause the error.
> > > 
> > > Thanks for the report. I'm going to propose that we fix this by
> > > marking the ascii art as comment:
> > > 
> > > diff --git a/Documentation/driver-api/usb/typec.rst b/Documentation/driver-api/usb/typec.rst
> > > index feb31946490b..972c11bf4141 100644
> > > --- a/Documentation/driver-api/usb/typec.rst
> > > +++ b/Documentation/driver-api/usb/typec.rst
> > > @@ -212,7 +212,7 @@ port drivers can use USB Role Class API with those.
> > > 
> > >  Illustration of the muxes behind a connector that supports an alternate mode:
> > > 
> > > -                     ------------------------
> > > +..                   ------------------------
> > >                       |       Connector      |
> > >                       ------------------------
> > >                              |         |
> > > 
> > > I hope that works.
> > 
> > Try it and see!  :)
> 
> It will fix this issue. I was just wondering if use of ascii art is
> acceptable in general with the .rst files? But then again, why
> wouldn't it be.

There are ways to do this, look at how the v4l2 and I think the drm
subsystems handle ascii art such that "real" drawings end up being
produced.

thanks,

greg k-h
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