[ESS] launch help.start() in EWW browser

[Tyler Smith]

On Wed, Sep 10, 2025, at 2:01 PM, Stephen Berman wrote:
> On Wed, 10 Sep 2025 18:58:42 +0200 Sebastian Meyer via ESS-help 
> <ess-help using r-project.org> wrote:
>
>> I just noticed there is a related function already in ESS:
>> ess-rutils-html-docs ("Use ‘browse-url’ to navigate R html
>> documentation."). It no longer seems to work though. From an ESS[R] buffer, I
>> get 'Wrong type argument: stringp, nil' and from iESS I get 'Search failed:
>> "http://"'. Maybe that function can be resurrected?
>
> I don't the wrong-type-argument error but I do get the failed search
> error.  The attached patch fixes it for me and then I can use EWW to
> browse the R docs.

I should have spent more time looking at the existing functions! I am somewhat comforted to see that my attempt was pretty close to the official version :)

Tyler