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Re: make a drawing with Emacs
From: |
Tomas Hlavaty |
Subject: |
Re: make a drawing with Emacs |
Date: |
Fri, 04 Sep 2020 10:42:20 +0200 |
thanks, bug reported
On Thu 03 Sep 2020 at 15:52, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
>> (cl-defun foo (a &rest args &key b c)
>> (cons a args))
>>
>> (foo 1 :b 2 :c 3)
>>
>> This works.
>>
>> But positioning cursor somewhere on :b 2 highlights args instead of b.
>> Strangely enough, positioning it on :c 3 highlights c correctly.
>
> Probably a happy accident.
>
>> If this worked it would be enough to use cl-defun and add key list
>> without having to change anything else.
>
> Indeed, that's a bug (or lack of feature).
> `M-x report-emacs-bug` seems to be in order.
>
>>> BTW, if you're only concerned about the Eldoc and `C-h o` info, then you
>>> can also just provide the more precise info in the docstring e.g.:
>>>
>>> (defun svg-create (width height &rest args)
>>> "Create a new, empty SVG image with dimensions WIDTH x HEIGHT.
>>> ARGS can be used to provide `stroke' and `stroke-width' parameters to
>>> any further elements added.
>>>
>>> \(fn WIDTH HEIGHT &key STROKE STROKE-WIDTH)"
>>> ...)
>>
>> I don't understand. Should \(fn WIDTH HEIGHT &key STROKE STROKE-WIDTH)
>> in docstring magically make eldoc to work? It does not work for me.
>
> It makes eldoc work the same way as `cl-defun` does (it's actually the
> mechanism used internally by eldoc to preserve the &key arguments into
> the `C-h o` and the eldoc output), but without having to change the
> actual code.
>
>
> Stefan
- Re: make a drawing with Emacs, (continued)
- Re: make a drawing with Emacs, Stefan Monnier, 2020/09/02
- Re: make a drawing with Emacs, Emanuel Berg, 2020/09/03
- Re: make a drawing with Emacs, Tomas Hlavaty, 2020/09/03
- Re: make a drawing with Emacs, Stefan Monnier, 2020/09/03
- Re: make a drawing with Emacs, Tomas Hlavaty, 2020/09/03
- Re: make a drawing with Emacs, Stefan Monnier, 2020/09/03
- Message not available
- Message not available
- Re: make a drawing with Emacs,
Tomas Hlavaty <=
- Message not available
- Re: make a drawing with Emacs, Lars Magne Ingebrigtsen, 2020/09/03
- Message not available
- Re: make a drawing with Emacs, Lars Magne Ingebrigtsen, 2020/09/03
- Re: make a drawing with Emacs, Stefan Monnier, 2020/09/03
- Message not available
- Re: make a drawing with Emacs, Lars Magne Ingebrigtsen, 2020/09/03
- Re: make a drawing with Emacs, Tomas Hlavaty, 2020/09/03
- Message not available
- Re: make a drawing with Emacs, Lars Magne Ingebrigtsen, 2020/09/03
- Re: make a drawing with Emacs, Tomas Hlavaty, 2020/09/03
- Re: make a drawing with Emacs, tomas, 2020/09/04
- Re: make a drawing with Emacs, Tomas Hlavaty, 2020/09/04
- Re: make a drawing with Emacs, tomas, 2020/09/04