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* Emphasis issues with special blocks and latex
@ 2023-02-14  9:14 User Name
  2023-02-16 12:26 ` Ihor Radchenko
  0 siblings, 1 reply; 2+ messages in thread
From: User Name @ 2023-02-14  9:14 UTC (permalink / raw)
  To: emacs-orgmode

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I am having several issues with the fontification of emphasis markers in
org-special-blocks and inside latex equations in my org-files.

I have changed `org-emphasis-regexp-components` to be the following...

```
  (with-eval-after-load 'org
    (setcar org-emphasis-regexp-components "\t('\"{[:alpha:]:-“”\[\\") ;;
chars for prematch
    (setcar (nthcdr 1 org-emphasis-regexp-components)
"\][:alpha:]-_^[:space:]:\t.,!?;''“”\")}/\\“”") ;; chars for postmatch
    (setcar (nthcdr 2 org-emphasis-regexp-components) "\\\\\t\r\n,\"") ;;
forbidden chars
    (setcar (nthcdr 3 org-emphasis-regexp-components) ".") ;; body
    (setcar (nthcdr 4 org-emphasis-regexp-components) 5) ;; max newlines
    (org-set-emph-re 'org-emphasis-regexp-components
org-emphasis-regexp-components))
```

I would like to be able to intersperse emphasis markers inside of strings,
which is why I included alphabetical characters for pre and post-match. I'd
like to be able to have *w*or*d* only bold the w & the d if possible, and
to be able to use backslashes between emphasized words (eg. ideally
=this=/d *be* /so//*cool*! should codify "this", italicize /so/, and bold
"cool*).

The main issue I get is that special-block metalines seem to get
font-locked (eg. `#+begin_theorem` becomes `#+begintheorem` and the
metalines themselves seem to cause the underlining of the contents within
the block. Inside latex equations, I end up with fontlocking if I don't
include spaces between underscores, pluses, minuses, or equal signs. I am
wondering if there is a way to fix this by adding more forbidden characters
(ie. forbid `#+begin_`, and `#+attr_latex` from being or causing emphasis,
and forbid emphasis between $$ $$, \begin{} \end{}, \( \), \[ \], $ $) or
possibly to include look-around using visual-regexp-sterioids.el.

Thanks in advance.

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^ permalink raw reply	[flat|nested] 2+ messages in thread

• * Re: Emphasis issues with special blocks and latex
    2023-02-14  9:14 Emphasis issues with special blocks and latex User Name
  @ 2023-02-16 12:26 ` Ihor Radchenko
    0 siblings, 0 replies; 2+ messages in thread
  From: Ihor Radchenko @ 2023-02-16 12:26 UTC (permalink / raw)
    To: User Name; +Cc: emacs-orgmode
  
  User Name <name58564@gmail.com> writes:
  
  > I am having several issues with the fontification of emphasis markers in
  > org-special-blocks and inside latex equations in my org-files.
  >
  > I have changed `org-emphasis-regexp-components` to be the following...
  
  I advice against playing with this variable. It only affects
  fontification and not the parser. And current Org's fontification is
  fragile. It will be more reliable to write a custom font-lock keyword if
  you want Emacs to highlight things differently.
  
  -- 
  Ihor Radchenko // yantar92,
  Org mode contributor,
  Learn more about Org mode at <https://orgmode.org/>.
  Support Org development at <https://liberapay.com/org-mode>,
  or support my work at <https://liberapay.com/yantar92>
  
  
  ^ permalink raw reply	[flat|nested] 2+ messages in thread

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