[ESS] "An indirect buffer cannot visit a file."

[Brian Hobbs]

I noticed this peculiarity myself a few months ago. It does seem to only
occur in code chunks, so I have adapted to only saving buffers to new names
when in the latex or markdown sections of a document (and not in R code
chunks).

Brian

On Fri, Mar 18, 2016 at 4:45 PM, Stephen Eglen <sje30 using cam.ac.uk> wrote:

> I wonder: does it happen when you are in a code chunk, but works ok when
> you are in a latex chunk?
>
>
> On Fri, Mar 18 2016, Christopher W. Ryan wrote:
>
> > Sometimes when editing an .Rnw file, working with R, Sweave, and
> > emacs, I want to save my current buffer under some other file name
> > than the file it came from, and sometimes I will get this error
> > message:
> >
> > "An indirect buffer cannot visit a file."
> >
> > I have not yet found a patter as to the conditions under which this
> > error message pops up.
> >
> > I'm having a hard time understanding indirect buffers, but I've never
> > intentionally used or created one. I don't anticipate I will ever have
> > a need to. I don't know how a particular buffer becomes an indirect
> > buffer. Is there an indication somewhere, perhaps in the status bar,
> > that a buffer is an indirect one? And is there a way to turn an
> > indirect buffer back into a "regular" buffer?
> >
> > Thanks.
> >
> > --Chris Ryan
> >
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