Re: [PATCH] Re: c47b535bb origin/main org-element: Remove dependency on ‘org-emphasis-regexp-components’

[Nicolas Goaziou]

Hello,

Ihor Radchenko <yantar92@gmail.com> writes:

> * doc/org-manual.org (Emphasis and Monospace): Advice users to insert
> zero width space when Org does not parse emphasized text correctly.
> ---

[...]

> +Sometimes, Org mode has difficulties recognising markup.  It usually
> +happens when markup marker symbols are present inside verbatim or code
> +blocks:

I disagree with the wording. Org mode has no difficulties recognizing
markup nor does it parses text incorrectly. This is similar to the well
known surprise:

  #+begin_example
  * something
  #+end_example

Here, we are simply fooled by the fontification process.

Otherwise, the patch looks good to me.

> +                   ;; Verify that we are at the right object.
> +                   (let ((object (save-excursion
> +                                   (save-match-data
> +                                     (goto-char (match-beginning 2))
> +                                     (org-element-context)))))
> +                     (and (memq (org-element-type object)
> +                                '(bold italic verbatim code strike-through))
> +                          (eq (match-beginning 2)
> +                              (org-element-property :begin object))))))

I sympathize with the idea. As long as fontification does not rely on
the parser, we will face issues like the one at stake. So, ultimately,
Org will hopefully move in that direction.

However, I'm not convinced making such local changes is going to help us
in the long run. It may be more fruitful to think this evolution
globally, as it involves a fair bit of rewriting of the fontification
process. For example, it may only be necessary to parse the part of the
Org document being fontified only once, and then apply all fontification
functions to the resulting tree rather than have each of them calling
the parser, like the above.

In any case, I think fontification deserves a dedicated thread, in
addition to some love.

Regards,
-- 
Nicolas Goaziou