[ESS-bugs] New?: Rd preview mode --> "l" for ess-eval-line-.. FAILS

[Martin Maechler]

On Fri, Sep 7, 2012 at 7:43 PM, Vitalie Spinu <spinuvit at gmail.com> wrote:
>   >> Martin Maechler <maechler at stat.math.ethz.ch>
>   >> on Fri, 7 Sep 2012 19:03:18 +0200 wrote:
>
>   > I think this bug is quite new.
>   > In an *.Rd file (with \examples{}!),
>   > use  C-c C-p to go to Rd preview mode
>   > then go to the examples section  ("s e" is sufficient for that)
>   > and try to send lines to R using 'l'.
>
>   > It is still correctly bound
>
>   >   l runs the command ess-eval-line-and-step, which is an interactive compiled
>   >   Lisp function in `ess-inf.el'.
>
> I have corrected this.
>
>   > but now gives ominuous error
>   >    "Wrong type argument: stringp, nil"
>   > and *Messages* shows that it happened inside
>   >     (ess-start-process-specific .)
>
> Can you please report the full *backgtrace* in the future. It would save
> some time.
>
> This occurred when there is not local ess-dialect.  I have added an
> explicit error in a couple of places for the future.

Thank you Vitalie.
Yes, indeed I should have reported a bit more to make it easier to diagnose,
sorry for that "lazyness"

Martin