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

[Helmut Eller]

On Tue, Apr 28 2015, Vitalie Spinu wrote:

> Maybe obvious, but this struggle with the choice of the
> default backend wouldn't be there if xref was able to merge backends.

My original proposal had a xref-location= generic function for exactly
that reason: to give the front end the possibility to remove duplicates.

However, this was removed because a) it complicates the
front-end<->backend-end API b) everybody who can write methods for
xref-location= can just as well write a backend that removes duplicates.

For me those are convincing arguments too delegate duplicate removal to
backends.

Helmut