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

[Eli Zaretskii]

> Date: Wed, 29 Apr 2015 00:28:58 +0300
> From: Dmitry Gutov <address@hidden>
> CC: Eli Zaretskii <address@hidden>, Vitalie Spinu <address@hidden>,
>  address@hidden
> 
>     It'd make sense to provide an xref-info backend, which could be taught
>     about the language used in each Info manual and dispatch to the
>     corresponding xref backend.
> 
> Shouldn't an Info xref backend just use the Info index, and jump to 
> references within the manual, not to external files?

This could be the default, but I'm not sure it should be the only
source of information.  E.g., what if there's no index, or the symbol
in question is not indexed?