Re: who_calls rewrite

Hi Matthias,

Matthias Radestock <[email protected]> writes:
> Bill Clementson wrote:
>> Yep, that did it - thanks!
>
> Works for me too. Thanks for implementing this change.
>
>> Incidentally, I probably mucked around trying to figure out the xref
>> query string to use for longer than it took me to write the elisp
>> code. Is there any better documentation or examples of xref other
>> than the tools xref document? e.g. - better than:
>> http://www.erlang.org/doc/man/xref.html
>
> There is the User Guide at
> http://www.erlang.org/doc/apps/tools/xref_chapter.html#5, but it's not
> all that much more helpful.

Yes, I saw that one too (it's linked to from the above page).

> I am not aware of any other documentation / tutorials / examples.
>
> I found that carefully reading the above two documents from start to
> finish, and trying a few self-constructed examples along the way,
> helped quite a bit.
>
> I suspect the inaccessibility of the xref documentation is one of the
> reasons it isn't known and used more widely. 

I did google around a bit yesterday trying to find examples as I
thought someone had surely been banging their head against the wall
with xref before. Surprisingly, I didn't find much. I suspect you're
right - the documentation probably puts most people off.

> Somebody should write a
> few introductory blog posts ...

Hmm, actually, that's a really good idea and I know the ideal person
for the job!  LShift has a blog with a growing collection of
erlang-related posts - a great forum for you to share your xref
knowledge! ;-)

Thanks again for your work in getting xref into distel.

- Bill

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