On 21 March 2013 11:31, Martin Maechler <maechler@stat.math.ethz.ch> wrote:

> "Of course", I still have  ess-eval-visibly-p  set to nil.
>
> But occasionally (e.g. when teaching !) I may want visibility
> temporarily, and I use  the prefix (C-u) to turn it on.
>
>
It doesn't work on functions only. The function evaluation is always hidden
with tracebug. This is one of those small things that I still have to fix.

 Vitalie



> However, with ess-tracebug turned on (the default now),
> this fails,
> even though the docu clearly claims that it should work :
>
> > C-c C-c runs the command
> ess-eval-region-or-function-or-paragraph-and-step,
> > which is an interactive compiled Lisp function in `ess-inf.el'.
> >
> > It is bound to C-c C-c, <menu-bar> <ESS> <Eval region | func | para &
> step>,
> > <menu-bar> <ESS> <ESS Eval> <Eval region | func | para & step>.
> >
> > (ess-eval-region-or-function-or-paragraph-and-step VIS)
> >
> > Send the current region if mark is active, if not, send
> > function if M-x point is inside one, otherwise the current
> > paragraph. After evaluation step to the next code line or to the
> > end of region if region was active.
> >
> >  Prefix arg VIS toggles visibility of ess-code as for
> > `ess-eval-region'.
>
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>
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