Re: @defun and @defvr in the "same" block?

[Gavin Smith]

On Tue, Nov 22, 2022 at 09:56:42PM +0000, Gavin Smith wrote:
> Interesting to see the Scribe document - I don't think I've seen one
> before.
> 
> I think that @deffn and @defvrx etc. could be mixed, although
> the @def* commands have long been an area where changes could be
> made to be more general.  See the TODO file in the git repository.
> If we had some way of explicitly specifying the index that a @def*
> command would use, then this would solve this problem.

I've commited a change for an experimental feature to allow this.  This
is in texinfo.tex version 2022-12-15.20 (in git).

Example code:

    \input texinfo
    
    @defcodeindex xy
    
    
    @defun Foo (bar)@useindex{xy}
    foobar
    @end defun
    
    @printindex xy
    
    @bye

This puts the index entry in the 'xy' index rather than the
'fn' index.

This has not been implemented in texi2any at all and the syntax, name
of the @useindex command, etc. could all change, or the feature might
not be implemented at all if there is no use for it.  Please experiment
and report what would be useful.