[ESS] ? doesn't work

[Martin Maechler]

On Wed, Apr 25, 2012 at 20:08, Marc Schwartz <marc_schwartz at me.com> wrote:
>
> On Apr 25, 2012, at 12:46 PM, Alan S Barnett wrote:
>
>> The help function doesn't work.
>> I'm running linux.  If I run R from a terminal, help works properly.
>> If I run it from emacs, a new buffer opens with an error message.
>>
>> Example:
>> *R* buffer----------------------------------------------------------------------------------------------
>> You are welcome to redistribute it under certain conditions.
>> Type 'license()' or 'licence()' for distribution details.
>>
>>  Natural language support but running in an English locale
>>
>> R is a collaborative project with many contributors.
>> Type 'contributors()' for more information and
>> 'citation()' on how to cite R or R packages in publications.
>>
>> Type 'demo()' for some demos, 'help()' for on-line help, or
>> 'help.start()' for an HTML browser interface to help.
>> Type 'q()' to quit R.
>>
>> > options(STERM='iESS', editor='emacsclient')
>> > ?predict
>> >
>>
>> ---------------------------------------------------------------------------------------------------------------------
>> *help[R](predict)* buffer--------------------------------------------------------------------------
>> Error in help("predict", htmlhelp = FALSE) :
>>  unused argument(s) (htmlhelp = FALSE)
>> -------------------------------------------------------------------------------------------------------------------------
>> I'm assuming an environment variable is not set correctly.  Any ideas?
>>
>> Thanks.
>>
>
>
>
> Search your .emacs for a line containing "htmlhelp", which is a deprecated option (circa R version 2.9.x).
>
> You want to replace it with:
>
>  (setq inferior-ess-r-help-command "help(\"%s\", help_type=\"html\")\n")
>
> The ability to do this was modified circa ESS 5.5 as I recall.

Yes, somewhere around that.
So your  ESS version must be   *very* *very* antique..
what does    C-h v ess-version  give
?



>
> Regards,
>
> Marc Schwartz
>
> ______________________________________________
> ESS-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/ess-help
>