Re: org-eldoc error on shell src blocks

[Takaaki Ishikawa <takaxp@ieee.org>]

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Hi folks,

I just verified the proposed patch to org-eldoc.el in contrib dir, works well.
But the problem is we lost an appropriate contact point because
https://bitbucket.org/ukaszg/org-eldoc was removed.
Who can amend org-eldoc.el in contribution directory?

Best regards,
Takaaki

> On Mar 31, 2019, at 17:53, 甲斐常伸 <kai2nenobu@gmail.com> wrote:
> 
> Hello,
> 
> I encounted the same error and I found it happens because "org-eldoc.el" doesn't reflect a value of "org-src-lang-modes". When I redefine "org-eldoc-get-mode-local-documentation-function" to reflect a value of "org-src-lang-modes" as below, the error disappeared.
> 
>     (defun org-eldoc-get-mode-local-documentation-function (lang)
>       "Check if LANG-mode sets eldoc-documentation-function and return its value."
>       (let ((cached-func (gethash lang org-eldoc-local-functions-cache 'empty))
>             (mode-func (org-src--get-lang-mode lang))
>             doc-func)
>         (if (eq 'empty cached-func)
>             (when (fboundp mode-func)
>               (with-temp-buffer
>                 (funcall mode-func)
>                 (setq doc-func (and eldoc-documentation-function
>                                     (symbol-value 'eldoc-documentation-function)))
>                 (puthash lang doc-func org-eldoc-local-functions-cache))
>               doc-func)
>           cached-func)))
> 
> The practical change is a one line.
> 
>     diff --git a/contrib/lisp/org-eldoc.el b/contrib/lisp/org-eldoc.el
>     index 556b945..fca13c3 100644
>     --- a/contrib/lisp/org-eldoc.el
>     +++ b/contrib/lisp/org-eldoc.el
>     @@ -110,7 +110,7 @@
>      (defun org-eldoc-get-mode-local-documentation-function (lang)
>        "Check if LANG-mode sets eldoc-documentation-function and return its value."
>        (let ((cached-func (gethash lang org-eldoc-local-functions-cache 'empty))
>     -        (mode-func (intern-soft (format "%s-mode" lang)))
>     +        (mode-func (org-src--get-lang-mode lang))
>              doc-func)
>          (if (eq 'empty cached-func)
>              (when (fboundp mode-func)
> 
> 
> I confirmed this change works good on the following two environments.
> 
> - Emacs 26.1 on Windows 10
>   - (emacs-version) ; GNU Emacs 26.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.22.30) of 2018-05-29
>   - (org-version) ; Org mode version 9.2.2 (9.2.2-13-g0007df-elpaplus @ /home/kai2nenobu/.emacs.d/elpa/org-plus-contrib-20190318/)
> 
> - Emacs 26.1 on Ubuntu 18.04 on WSL (on above Windows 10)
>   - (emacs-version) ; GNU Emacs 26.1 (build 1, x86_64-w64-mingw32) of 2018-05-31
>   - (org-version) ; Org mode version 9.2.1 (9.2.1-8-g1b1797-elpaplus @ c:/Users/kai2nenobu/.emacs.d/elpa/org-plus-contrib-20190211/)
> 
> 
> I'm ready to contribute this patch, but I don't know how to contribute to "org-eldoc.el". Please tell me how to do it.
> 
> 
> Best Regards,
> 
> 
> 2018年2月4日(日) 16:56 Nicolas Goaziou <mail@nicolasgoaziou.fr>:
> Hello,
> 
> "numbchild@gmail.com" <numbchild@gmail.com> writes:
> 
> > After some dive in deeper
> >
> > - [X] emacs minimal init test, confirmed issue in org-mode.
> > - [X] from the error log, seems `org-eldoc` try to call `(progn (funcall
> > mode-func) ...`. This caused `shell-mode()`.
> > - [ ] check out `org-eldoc.el` source code, have not found any solution or
> > options.
> 
> > Hope some org-mode hacker can help to fix this issue?
> 
> I'm Cc'ing Org Eldoc author about it.
> 
> > And this might be a unit test in Org-mode testing?
> 
> We don't test contrib packages. However, they can provide their own
> tests.
> 
> Regards,
> 
> --
> Nicolas Goaziou
> 


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