Correcting a mistake in the section on Mac terminal emacs. Here in R session,
browser option is already set up.
!> options("browser”)
$browser
[1] "/usr/bin/open”
> On Sep 9, 2025, at 12:34 PM, Naresh Gurbuxani <[email protected]>
> wrote:
>
>
> Sent from my iPhone
>
> Begin forwarded message:
>
>> From: Tyler Smith via ESS-help <[email protected]>
>> Date: September 8, 2025 at 10:05:20 PM EDT
>> To: ESS-help <[email protected]>
>> Subject: [ESS] launch help.start() in EWW browser
>> Reply-To: Tyler Smith <[email protected]>
>>
>> On Fri, Sep 5, 2025, at 6:17 AM, Naresh Gurbuxani via ESS-help wrote:
>>> When running R in terminal emacs, what options are needed so that
>>> help.start() opens EWW browser?
>>
>> The following elisp code opens the R html docs in EWW, when called via `M-x
>> ess-eww`.
>>
>> It seems to work fine for me on Ubuntu Linux. If it works generally, I'd be
>> happy to clean it up for inclusion in ESS.
>>
>> Alternatively, if we accept running Emacs in daemon mode as a pre-requisite
>> (i.e., meaning emacsclient is available), it's probably not too hard to find
>> the proper syntax for the `browser` argument of `help.start()`. I looked at
>> that too, but then this approach presented itself. It has the advantage of
>> not needing the emacsclient server.
>>
>> Let me know if this looks useful!
>>
>> - tyler
>>
>>
>> ```
>> (defun ess-eww ()
>> (interactive)
>> (let ((BUF (generate-new-buffer "URL"))
>> (PORT))
>> (ess-command "print(tools::startDynamicHelp(NA))" BUF)
>> (with-current-buffer BUF
>> (setq PORT (buffer-substring 5 (point-max))))
>> (kill-buffer BUF)
>> (eww (concat "http://127.0.0.1:"; PORT "/doc/html/index.html"))))
>> ```
>>
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