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Re: [wip-cite-new] experimental citeproc-el based activation processor

From: Nicolas Goaziou
Subject: Re: [wip-cite-new] experimental citeproc-el based activation processor
Date: Sat, 12 Jun 2021 16:46:18 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)


András Simonyi <andras.simonyi@gmail.com> writes:

> playing with the new citation API (which is already very impressive
> and usable!) I cobbled together an "activation processor" which
> fontifies Org citations using citeproc-el generated previews (when the
> cursor is elsewhere). It also shows the full references as a tooltip
> on mouse-over. Currently everything is very experimental, but if any
> of you is willing to give it a try it can be found at
> https://github.com/andras-simonyi/org-cite-csl-activate, and, of
> course, any feedback is welcome.

This looks very nice already! Thanks for sharing.

It may make sense to merge it with "oc-csl.el" at some point. If that
suits you, there are a few gotchas:

- `alist' library isn't usable in Org, as it didn't exist in Emacs 24.3.
  So, there's unfortunately no `alist-get' for us.

- `<=' was not a variadic function back in Emacs 24.3, so (<= beg
  (point) end) is not possible either.

In addition, I have a couple of comments:

- As suggested by Bruce D'Arcus, we might move `org-cite-get-boundaries'
  in `oc.el' proper, since it is also used elsewhere (at least in

- Nitpick: (car element) => (org-element-type element)

- I think it is inefficient to call `org-element-context' in
  `org-cite-csl-activate--sensor-fun'. You may as well store the parsed
  object as a text property on the citation during fontification, and
  read the property in the function above to know where you are.

- I am also wondering about the call of `org-element-parse-buffer' in
  `org-cite-csl-activate-render-all'. It is not wrong per se, but it is
  only optimal when citation density in every part of the document is
  not low. This might not be the most common case. The other option is
  to `re-search-forward' for `org-element-citation-prefix-re' and then
  call `org-element-context' at point.

  Of course, optimizing `org-cite-csl-activate-render-all' may not be
  the top priority, since some latency is to be expected anyway.


Nicolas Goaziou

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