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Re: [DISCUSSION] Refactoring fontification system
From: |
Ihor Radchenko |
Subject: |
Re: [DISCUSSION] Refactoring fontification system |
Date: |
Wed, 08 Jun 2022 10:02:58 +0800 |
Max Nikulin <manikulin@gmail.com> writes:
> On 03/06/2022 16:45, Ihor Radchenko wrote:
>>
>> 1. org-protecting-blocks is an internal auxiliary variable used to
>> determine which blocks should be fontified using different major
>> mode.
>> It's value is ("src" "example" "export")
>> So, #+begin_src lang and #+begin_export lang are fontified according
>> to LANG. Makes sense.
>> However, what about #+begin_example?
>
> I have a lot of #+begin_example with language in my notes. In the
> beginning I accidentally discovered that code is highlighted accordingly
> to language syntax, so I continued to use this feature for snippets that
> are not intended to be evaluated. Later it was a bad surprise that
> export does not preserves highlights. So for me #+begin_example is a
> shortcut for #+begin_src with :eval never (that can be specified as a
> property).
>
> From my point of view exporters may reuse code block formatters for
> examples. It would allow to pass options to e.g. LaTeX verbatim environment:
> Pedro Andres Aranda Gutierrez. Re: A question/bug report(?) Wed, 30 Mar
> 2022 07:14:54 +0200
> https://list.orgmode.org/orgmode/CAO48Bk_dJs1=5zgpcZwODaTsRqyRsKq1ALj6WpaXCc4bDjW3FQ@mail.gmail.com/
Among other goals, the new fontification is aiming to avoid such bad
surprises.
As for lang parameter support in example blocks, would you mind creating
a separate feature request thread? Extending export blocks export will
require changing in parser syntax and thus should be discussed carefully
in a separate thread.
>> 2. org-script-display is an internal auxiliary variable used to display
>> sub/superscripts. Note that it's default value holds 4 possibilities.
>> Two for each type of script. For example, for superscripts we have
>> two options:
>> ((raise 0.3) (height 0.7)) and ((raise 0.5))
>> The first one looks more compact (does not change the line height)
>
> Notice that subscript still increases inter-line space a bit.
Can you (and other interested users) try the following value of
org-script-display and let me know if it looks acceptable:
(defconst org-script-display '(;; The values are tweaked to not change
;; the line height.
((raise -0.1) (height 0.7))
((raise 0.25) (height 0.7))
;; Alternative properties for tables.
;; FIXME: We cannot change the text
;; height because it will alter the
;; symbol width and thus break the
;; table alignment (at least, until
;; org table are aligned via pixel
;; width).
((raise -0.5))
((raise 0.5)))
"Display properties for showing superscripts and subscripts.")
>> However, it currently uses x1.5 line height for tables creating empty
>> space between vertical | separators. It looks like a typo for me. It
>> would make more sense to make table lines compact, not vice versa. Am
>> I missing something?
>
> git blame gives 0618aeafb39dbf78e753348eaeaddbb7f8104cd0
> It seems smaller font breaks horizontal alignment in tables.
Thanks! Now it is crystal clear what was the reason behind the different
fontification inside/outside the tables. I will add the explanation to
comments.
Best,
Ihor
- Re: [DISCUSSION] Refactoring fontification system, Ihor Radchenko, 2022/06/03
- Re: [DISCUSSION] Refactoring fontification system, Ted Reed, 2022/06/03
- Re: [DISCUSSION] Refactoring fontification system, Tim Cross, 2022/06/03
- Re: [DISCUSSION] Refactoring fontification system, Max Nikulin, 2022/06/07
- Re: [DISCUSSION] Refactoring fontification system,
Ihor Radchenko <=
- Re: [DISCUSSION] Refactoring fontification system, Tom Gillespie, 2022/06/08
- Re: [DISCUSSION] Refactoring fontification system, Tim Cross, 2022/06/08
- Re: [DISCUSSION] Refactoring fontification system, Max Nikulin, 2022/06/09
- [PATCH] #+begin_example lang used in manual and worg (was: [DISCUSSION] Refactoring fontification system), Ihor Radchenko, 2022/06/09
- Re: [PATCH] #+begin_example lang used in manual and worg (was: [DISCUSSION] Refactoring fontification system), Max Nikulin, 2022/06/14
- Re: [PATCH] #+begin_example lang used in manual and worg (was: [DISCUSSION] Refactoring fontification system), Ihor Radchenko, 2022/06/16
- [BUG] Unescaped #+ lines in WORG example blocks (was: [PATCH] #+begin_example lang used in manual and worg (was: [DISCUSSION] Refactoring fontification system)), Ihor Radchenko, 2022/06/16
- Re: [BUG] Unescaped #+ lines in WORG example blocks (was: [PATCH] #+begin_example lang used in manual and worg (was: [DISCUSSION] Refactoring fontification system)), Tim Cross, 2022/06/16
- Re: [DISCUSSION] Refactoring fontification system, Max Nikulin, 2022/06/16
Re: [DISCUSSION] Refactoring fontification system, Phil Estival, 2022/06/08