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

[Vitalie Spinu]

 >>> Helmut Eller on Wed, 29 Apr 2015 15:01:42 +0200 wrote:

 > 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.

Then for any combination of backends that you want to merge you need to
write yet another backend.

  Vitalie