Org files will export =help= link as an HTTP link when exporting to html, such as a
#+begin_example
Here is a [[help:lazy-helm/describe-char][Help]] link
#+end_example
When exporting to HTML it becomes
#+begin_src html
Here is a Help link
#+end_src
This operation is very confusing, because there is actually no page corresponding to this link.
A more reasonable method is to keep the original text when exporting, but pop up relevant instructions when the cursor moves to this text.
Through [[help:org-link-set-parameters][org-link-set-parameters]], you can register your own defined link export function. The relevant configuration is as follows:
#+begin_src emacs-lisp
(defun org-link –export-help (path desc backend _)
“Export a \”help\” type link.
PATH is a symbol name, as a string.”
(let ((info (pcase (intern path)
((and (pred fboundp) function) (describe-function function))
((and (pred boundp) variable) (describe-variable variable))
(name (user-error “Unknown function or variable: %s” name)))))
(quit-window) ;Close the newly opened help window
(pcase backend
(‘html (format “%s” info desc))
(_ desc))))
;; register the exported function of help
(org-link-set-parameters “help”
:export #’org-link–export-help)
#+end_src
can be exported as
#+begin_src html
Here is a Help link
#+end_src
The effect is as follows:
[[file:./images/export-help-link.png]]
This article is reprinted from: https://lujun9972.github.io/blog/2022/05/31/%E5%A6%82%E4%BD%95%E5%90%88%E7%90%86%E7%9A% 84%E5%AF%BC%E5%87%BAhelp-link-%E6%88%90html/index.html
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