From: Carsten Dominik <carsten.dominik@gmail.com>
To: Eric Schulte <schulte.eric@gmail.com>
Cc: Org Mode <emacs-orgmode@gnu.org>
Subject: Re: Pretty org-entities in org-mode buffers
Date: Sat, 8 May 2010 07:15:41 +0200 [thread overview]
Message-ID: <720C576A-F0BF-44CE-9554-E0C94C1114BE@gmail.com> (raw)
In-Reply-To: <871vdng2a7.fsf@gmail.com>
On May 7, 2010, at 5:27 PM, Eric Schulte wrote:
> Carsten Dominik <carsten.dominik@gmail.com> writes:
>
>> Dear Eric,
>>
>> this is fantastic.
>
> Great, Thanks
>
>> This is kind of like X-symbol, only that I can just write my trusted
>> LaTeX macros and get all those characters. Makes me think that I
>> need
>> to add a few more symbols that I commonly use in math expressions.
>>
>
> Yea, I have the following org-entites customization in my setup which
> covers some of the symbol names I commonly expect. It's been growing
> the more I use org-entities.
>
> --8<---------------cut here---------------start------------->8---
> (add-to-list 'org-entities
There is now a special user variable that can be used to add your own
entities, if you want to avoid messing with this constant. But I guess
this is a matter of taste.
I will also accept patches that will add to org-entities, in a limited
way.
- Carsten
> '("supseteq" "\\supseteq" t "⊇" "[superset of or
> equal to]"
> "[superset of or equal to]" "⊇"))
> (add-to-list 'org-entities
> '("subseteq" "\\subseteq" t "⊆" "[subset of or
> equal to]"
> "[subset of or equal to]" "⊆"))
> (add-to-list 'org-entities
> '("subseteq" "\\subseteq" t "⊆" "[subset of or
> equal to]"
> "[subset of or equal to]" "⊆"))
> (add-to-list 'org-entities
> '("leq" "\\leq" t "≤" "<=" "<=" "≤"))
> (add-to-list 'org-entities
> '("geq" "\\geq" t "≥" ">=" ">=" "≥"))
> --8<---------------cut here---------------end--------------->8---
>
>>
>> I am wondering if we could be a bit more generous with the regular
>> expression. For example, I would love for $\alpha=\beta$ to show the
>> symbols as well.
>
> agreed, maybe this would be better (using [:alnum:])? The only reason
> for the restriction is to keep symbols from appearing mid way through
> typing out some other symbol or word.
>
> --8<---------------cut here---------------start------------->8---
> (defun org-pretty-entities ()
> (font-lock-add-keywords
> nil (mapcar
> (lambda (el)
> (list
> (concat "(?\\(" (regexp-quote "\\") (nth 0 el)
> "[^[:alnum:]]" "\\)")
> `(0 (progn (compose-region (match-beginning 1) (- (match-
> end 1) 1)
> ,(nth 6 el)) nil))))
> org-entities)))
> --8<---------------cut here---------------end--------------->8---
>
>>
>> Also there should be a switch for turning this on and off.
>>
>> I would like to integrate this code into org-entities.el.
>>
>
> Those both sound great. It would take a little bit of effort to look
> into how to remove font-lock keywords. If you have the time and
> inclination please go ahead with this, otherwise I should be able to
> take a shot at it myself in the next week or two -- I'm in the
> middle of
> my final exams right now.
>
>>
>> Thanks for all your contributions, which continue to make Org-mode so
>> much richer.
>>
>
> It's my Pleasure -- Eric
>
>>
>> - 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
next prev parent reply other threads:[~2010-05-08 5:15 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-05 16:19 Pretty org-entities in org-mode buffers Eric Schulte
2010-05-05 21:48 ` Sebastian Rose
2010-05-07 7:11 ` Carsten Dominik
2010-05-07 15:27 ` Eric Schulte
2010-05-07 18:20 ` Eric S Fraga
2010-05-08 5:15 ` Carsten Dominik [this message]
2010-05-08 5:17 ` Carsten Dominik
2010-05-07 15:01 ` Eric S Fraga
2010-05-16 5:51 ` Carsten Dominik
2010-05-16 21:09 ` Eric Schulte
2010-05-17 8:09 ` Eric S Fraga
2010-05-17 14:28 ` Carsten Dominik
2010-05-17 14:32 ` Carsten Dominik
2010-05-17 15:01 ` Eric Schulte
2010-06-03 8:48 ` Carsten Dominik
2010-06-03 17:51 ` Eric Schulte
2010-06-03 21:50 ` Carsten Dominik
2010-06-04 8:57 ` Carsten Dominik
2010-06-04 23:42 ` Eric Schulte
2010-06-05 9:06 ` Eric S Fraga
2010-06-05 9:18 ` Carsten Dominik
2010-06-05 18:36 ` Daniel E. Doherty
2010-06-18 18:16 ` Raghav Kumar Gautam
2010-06-24 6:57 ` Carsten Dominik
2010-06-24 13:16 ` Raghav Kumar Gautam
2010-06-24 13:48 ` Sebastian Rose
2010-06-24 14:47 ` Raghav Kumar Gautam
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