[ESS] M-n s is undefined

Martin Maechler m@ech|er @end|ng |rom @t@t@m@th@ethz@ch
Sat Jul 2 23:57:34 CEST 2016

I agree with Kasper.... and we had the stable April release.... there
is not a bad time to "break now" and aim for stability for the October


On Sat, Jul 2, 2016 at 10:26 AM, Kasper Daniel Hansen
<kasperdanielhansen using gmail.com> wrote:
> Vitalie,
> I strongly support going forward and breaking backwards compatibility if
> that is necessary.  Polymode is a giant step forward, and I appreciate how
> hard it is to keep it semi-backwards compatible.
> But my recommendation is that if you break backwards compatibility you
> quickly try to make it stable (easier said than done, I know).  Then
> everyone will complain for a while and then they'll settle down with the
> new UI.  What is painful, is a long drawn out transition process.
> Now, in the best of all worlds, everything would be possible.  But in a
> world of limits on effort, we sometimes have to make choices.
> What you have done with ESS/polymode over the last couple of years is
> highly appreciated, and it was sorely needed.
> Best,
> Kasper
> On Sat, Jul 2, 2016 at 12:17 PM, Vitalie Spinu <spinuvit using gmail.com> wrote:
>> >> On Fri, Jul 01 2016 13:51, Christopher W Ryan wrote:
>> > The documentation for how polymode works in ESS seems a bit thin and
>> > scattered.
>> That's partially because polymode is officially not part of ESS (only part
>> of
>> Vincent's distribution). Partially it's because there is not much to it, 2
>> keys
>> to weave and export and 2 keys to select weaver and exporter. Often, as
>> with
>> Rmarkdown, you need to use only the export key. If you know how to use
>> Rmarkdown
>> then it should be immediately apparent what it does and what are those
>> questions
>> asked on M-n e. It's a thin layer over Rmarkdown. So please don't ask me to
>> clarify that part.
>> I am fully aware that UI part is still incomplete and configuration docs
>> are
>> missing but UI was never a priority. polymode's intent is to be a generic
>> multi
>> mode engine and the weaver/exporter/evaluation thingy is one big bonus.
>> That being said, I finally see the light at the end of the tunnel because
>> the
>> core part of polymode is approaching stable state. The weaving/exporting
>> part
>> will go into a separate specialized package. Once that's done I will make a
>> screen cast and detailed instructions of how to configure all stuff
>> together.
>> Unfortunately integration with ESS is a tricky part. I am not sure yet how
>> to
>> properly integrate it and preserve backward compatibility of the current
>> UI.
>>  Vitalie
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