Re: Pretty org-entities in org-mode buffers

[Carsten Dominik <carsten.dominik@gmail.com>]

Hi Eric,

have you been able to get past this issue?

- Carsten

On May 17, 2010, at 5:01 PM, Eric Schulte wrote:

> So looking into this slightly deeper,
>
> I do have org-pretty-entities set to t in my config.
>
> Toggling entities display with C-c C-x \ has no effect.
>
> The value of org-highlight-latex-fragments-and-specials is nil.
>
> Entities are only displayed when I search for the "\\" character, no
> other searches result in displayed entities.
>
> Interestingly, when starting with a fresh "emacs -Q" and only loading
>
> --8<---------------cut here---------------start------------->8---
> (load-file "~/src/org/lisp/org-install.el")
> (setq org-pretty-entities t)
> --8<---------------cut here---------------end--------------->8---
>
> I have the same problem, so maybe my version of Emacs is to blame, I'm
> using the latest from the emacs git/bzr repo
>
> --8<---------------cut here---------------start------------->8---
> ~/src/emacs/src/emacs --version
> GNU Emacs 24.0.50.1
> Copyright (C) 2010 Free Software Foundation, Inc.
> GNU Emacs comes with ABSOLUTELY NO WARRANTY.
> You may redistribute copies of Emacs
> under the terms of the GNU General Public License.
> For more information about these matters, see the file named COPYING.
> --8<---------------cut here---------------end--------------->8---
>
> When I get some more time, I'll look into this further.
>
> Thanks -- Eric
>
> Carsten Dominik <carsten.dominik@gmail.com> writes:
>
>> On May 16, 2010, at 11:09 PM, Eric Schulte wrote:
>>
>>> Hi Carsten,
>>>
>>> Thanks for folding in this feature.
>>>
>>> I'm having some weird issues using the new entities display.  The
>>> entities are not fontified in my org-mode buffers despite having set
>>> the
>>> org-pretty-entities variable to t.  However if I search
>>> `isearch-forward-regexp' for the "\\" character in the buffer then  
>>> all
>>> of the entities are displayed (e.g. \sum is replaced with ∑).
>>>
>>> Any idea why the entity display is only working during a search?
>>
>> One idea:  Do you have turned on org-highlight-latex-fragments-and-
>> specials?
>>
>> - Carsten
>>
>>
>>>
>>> Thanks -- Eric
>>>
>>> Carsten Dominik <carsten.dominik@gmail.com> writes:
>>>
>>>> Hi everyone,
>>>>
>>>> a modified version of Eric's code is now included into Org, I just
>>>> pushed it
>>>> to the git repo.
>>>>
>>>> You can use the command `C-c C-x \' to toggle this feature.
>>>>
>>>> The variable `org-pretty-entities' determines if this mode is on by
>>>> default.
>>>>
>>>> Finally, you can use
>>>>
>>>> #+STARTUP: entitiespretty
>>>> #+STARTUP: entitiesplain
>>>>
>>>> to change things on a per-file base.
>>>>
>>>> Thanks to Eric for this great idea.
>>>>
>>>> - Carsten
>>>>
>>>> On May 5, 2010, at 6:19 PM, Eric Schulte wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> Recently I've been making use of org-entites for exporting my  
>>>>> greek/
>>>>> math
>>>>> heavy class notes to HTML.  I'm really loving the results.
>>>>>
>>>>> This morning I've started playing around with the below function
>>>>> `org-pretty-entities', which is adapted from Phil Hagelberg's
>>>>> `pretty-lambdas'[1].  Calling this function in an org-mode buffer
>>>>> will
>>>>> have the effect of fontifying all org-entities text strings as the
>>>>> character which they represent, so \Delta is replaced with Δ,
>>>>> \lambda
>>>>> with λ, \in with ∈, and so forth.
>>>>>
>>>>> I've just started playing with this, and I make no guarantees as  
>>>>> to
>>>>> it's
>>>>> safety or utility, but I was very pleasantly surprised by the
>>>>> simplicity
>>>>> of the function, and how nice it's been to see my special  
>>>>> characters
>>>>> appear in org-mode buffers as I type.
>>>>>
>>>>> #+begin_src emacs-lisp :results silent
>>>>> (defun org-pretty-entities ()
>>>>>  (interactive)
>>>>>  (font-lock-add-keywords
>>>>>   nil (mapcar
>>>>>        (lambda (el)
>>>>>          (list
>>>>>           (concat "(?\\(" (regexp-quote "\\") (nth 0 el) "[\s]" "\
>>>>> \)")
>>>>>           `(0 (progn (compose-region (match-beginning 1) (-
>>>>> (match-
>>>>> end 1) 1)
>>>>>                                      ,(nth 6 el)) nil))))
>>>>>        org-entities)))
>>>>>
>>>>> (org-pretty-entities)
>>>>> #+end_src
>>>>>
>>>>> To try this out, just evaluate the above code block inside of an
>>>>> org-mode buffer, then starting typing out org-entities.
>>>>>
>>>>> Hope others find this useful.
>>>>>
>>>>> Best -- Eric
>>>>>
>>>>> Footnotes:
>>>>> [1]  http://github.com/technomancy/emacs-starter-kit/blob/master/starter-kit-defuns.el#L135
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Emacs-orgmode mailing list
>>>>> Please use `Reply All' to send replies to the list.
>>>>> Emacs-orgmode@gnu.org
>>>>> http://lists.gnu.org/mailman/listinfo/emacs-orgmode
>>>>
>>>> - Carsten
>>
>> - Carsten

- Carsten