[ESS] trace(edit=TRUE) under MS Windows

[Richard M. Heiberger]

We switched Windows to use emacsclient.  We did switch the help file to match.

Rich

On 3/6/13, Ross Boylan <ross at biostat.ucsf.edu> wrote:
> I just tried
>
>> trace(mice.impute.2L.norm, where=mice, edit=TRUE, print=FALSE)
> Error in edit(name, file, title, editor) :
>    unable to run editor 'emacsclient.exe'
>
> Emacs 24.2.1, ESS 12.09-1, Windows 7, R 2.15.2.
>
> A few observations:
> I suspect this isn't working because my PATH doesn't include the right
> directory.  I tried setting the full path, but still had problems:
>
>> getOption("editor")
> [1] "C:\\Program Files\\GNU Emacs 24.2\\bin\\emacsclient.exe"
>> trace(mice.impute.2L.norm, where=mice, edit=TRUE, print=FALSE)
> C:\PROGRA~1\GNUEMA~1.2\bin\EMACSC~1.EXE: No socket or alternate editor.
> Please use:
>
> 	--server-file      (or environment variable EMACS_SERVER_FILE)
> 	--alternate-editor (or environment variable ALTERNATE_EDITOR)
>
>
> Some of the R functions seem to attempt to hardcode for emacs, but they
> don't know that emacsclient.exe is emacs.  In particular,
> .makeTracedFunction() includes this code:
>
>          if (is(editor, "character") && !is.na(match(editor, c("emacs",
>              "xemacs")))) {
>              file <- tempfile("emacs")
>              file <- sub("..$", ".R", file)
>          }
>          else file <- ""
>
> It might be good to adjust either R or ESS for greater compatibility.
>
> Finally, the ESS info file says
>
> 4.7 Using emacsclient
> =====================
>
> When starting R or S under Unix, ESS sets
> `options(editor="emacsclient")'.  (Under Microsoft Windows, it will use
> gnuclient.exe rather than emacsclient, but the same principle applies.)
>
> That doesn't seem to be true, at least on my MS Windows machine.  I have
> no customizations related to this in my .emacs file.
>
> Ross Boylan
>
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