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[O] Possible bug with coderef highlighting in HTML export
From: |
Thibault Marin |
Subject: |
[O] Possible bug with coderef highlighting in HTML export |
Date: |
Sun, 03 Dec 2017 04:35:30 -0600 |
User-agent: |
mu4e 0.9.18; emacs 25.2.2 |
Hi all,
I am using Org mode version 9.1.3 (release_9.1.3-216-g259656 @
/.../org-mode/lisp/) and I am experiencing an issue with the exported
HTML of the following org file:
,----
| this links get highlighted [[(link0)]].
|
| this link does not get highlighted [[(link1)]].
|
| #+begin_src emacs-lisp -r
| 0(ref:link0)
| #+end_src
|
| #+begin_src emacs-lisp -r
|
| 1(ref:link1)
| #+end_src
`----
The relevant HTML output is:
,----
| <p>
| this links get highlighted <a href="#coderef-link0" class="coderef"
onmouseover="CodeHighlightOn(this, 'coderef-link0');"
onmouseout="CodeHighlightOff(this, 'coderef-link0');">1</a>.
| </p>
|
| <p>
| this link does not get highlighted <a href="#coderef-link1" class="coderef"
onmouseover="CodeHighlightOn(this, 'coderef-link1');"
onmouseout="CodeHighlightOff(this, 'coderef-link1');">1</a>.
| </p>
|
| <div class="org-src-container">
| <pre class="src src-emacs-lisp"><span id="coderef-link0"
class="coderef-off">0</span>
| </pre>
| </div>
|
| <div class="org-src-container">
| <pre class="src src-emacs-lisp">1
| </pre>
| </div>
`----
The issue is that the link to the line in the second source block is not
highlighted (it does not get the "coderef-off" span markup).
I tried to dig a little and it appears that `org-html-do-format-code' does not
handle empty lines at the beginning of a block. `(org-split-string "\n1")'
returns '("1") which looses the first empty line. The line reference received
via the `refs' variable (which has value ((2 . link1))) then becomes out of sync
with the `code' variable (split by lines) used for formatting of the code block.
I am not sure what is the best way to handle this:
1. Should the `refs' variable be built accounting for the top empty lines?
2. Alternatively, should the `org-html-do-format-code' and
`org-export-format-code' functions count the number of top empty lines and
adjust the line number accordingly?
3. Should top empty lines be completely deleted, before the `refs' array is
built?
I can try to propose a patch if the best option can be decided. Option 2 seems
relatively simple but feels like a hack.
I would appreciate any suggestions on how to best fix this.
Thanks in advance.
thibault
- [O] Possible bug with coderef highlighting in HTML export,
Thibault Marin <=