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

[Vitalie Spinu]

I am not using ibuffer, but I guess you can do it in one blow with `\\..?md\\[.*\\]`.

>> On Mon, Mar 21 2016 11:32, Kevin Wright wrote:

> Incidentally, if you use ibuffer, you can remove the extra appearance of
> .Rd files in the Buffer List with this:

>   (add-to-list 'ibuffer-never-show-predicates "\\.Rmd\\[r\\]")
>   (add-to-list 'ibuffer-never-show-predicates "\\.Rmd\\[poly-head-tail\\]")

>   (add-to-list 'ibuffer-never-show-predicates "\\.Rmd\\[fundamental\\]")

> Kevin

> On Sun, Mar 20, 2016 at 3:20 PM, Richard M. Heiberger <rmh using temple.edu>
> wrote:

>> I see this in the examples section of .Rd files.
>>
>> The .Rd file appears in *Buffer List* twice, once as ESS[S] [none] and
>> once as Rd.
>>
>> A related consequence is that when I quit C-x C-c an Rd file,
>> while the cursor is in the examples section, the quit doesn't work and also
>> doesn't give a warning.
>>
>> Rich
>>
>> On Sun, Mar 20, 2016 at 3:52 PM, Brian Hobbs <rebdh using channing.harvard.edu>
>> wrote:
>> > 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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