Re: xref backends for elisp-related modes Was: Re: Bad moves with xref-find-definitions

[Helmut Eller]

On Wed, Apr 29 2015, Vitalie Spinu wrote:

>  > For me those are convincing arguments too delegate duplicate removal to
>  > backends.
>
> I probably miss something essential but this doesn't make sense to
> me. We are talking about merged backends. So, the task of frontend is to
> remove duplicates which result from merging multiple candidate lists
> coming from backends. How an individual backend can deal with that?

You have 2 backends.  Create a third backend that calls the other two
and does the merging.  The front-end is doesn't need to know how to
merge.

Helmut