[Rd] Better 'undefined columns' error for data.frame

[Duncan Murdoch]

On 24/09/2022 9:56 a.m., GILLIBERT, Andre wrote:
> Dear R developers,
> 
> 
> One of the error messages that make me loose the most time is the "undefined columns selected" of `[.data.frame`.
> 
> It ought to specify the list of bad column names, but currently does not.
> 
> Fortunately, this can easily be fixed by a small patch I can write.
> 
> 
> Are you interested in that patch?

I doubt if you'll get an answer to this without showing it to us.

> Is there a standard way to transfer patches for feature requests?

The standard instructions are here:  https://www.r-project.org/bugs.html .
You're offering an enhancement rather than a bug fix, but the process is 
the same.  But since your change is probably quite small, you might not 
need to go through the whole process:  proposing it on this mailing list 
might be sufficient.

Duncan Murdoch