GNU bug report logs - #43205
28.0.50; Eldoc protocol not useful for third-party packages

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Package: emacs; Reported by: Yuan Fu <casouri@HIDDEN>; dated Fri, 4 Sep 2020 16:14:02 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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Subject: Re: bug#43205: 28.0.50; Eldoc protocol not useful for third-party
 packages
From: Yuan Fu <casouri@HIDDEN>
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> On Sep 4, 2020, at 2:32 PM, Jo=C3=A3o T=C3=A1vora =
<joaotavora@HIDDEN> wrote:
>=20
> Acknowledged. The latest eldoc in master is a work in progress.This in =
on my to-do list. Soon I'll improve the documentation, as well as =
specifying what the "display engine" is supposed to be.
>=20
> I think, this will be quite useful when (re) designing your eldoc-box =
extension, Yuan. Maybe that extension could even be included into Emacs =
itself.

Indeed, I=E2=80=99m looking at the new eldoc to see if I can remove some =
unnecessary complications introduced by the incompetence of the old =
protocol. Thanks for working on this.

Yuan





Information forwarded to bug-gnu-emacs@HIDDEN:
bug#43205; Package emacs. Full text available.

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Subject: Re: bug#43205: 28.0.50;
 Eldoc protocol not useful for third-party packages
To: Yuan Fu <casouri@HIDDEN>
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--00000000000033107c05ae81181a
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Acknowledged. The latest eldoc in master is a work in progress.This in on
my to-do list. Soon I'll improve the documentation, as well as specifying
what the "display engine" is supposed to be.

I think, this will be quite useful when (re) designing your eldoc-box
extension, Yuan. Maybe that extension could even be included into Emacs
itself.

Jo=C3=A3o

On Fri, Sep 4, 2020, 17:18 Yuan Fu <casouri@HIDDEN> wrote:

> Currently the documentation of `eldoc-documentation-functions' says this:
>
> * `:thing', VALUE is a short string or symbol designating what is
> being reported on.  The documentation display engine can elect
> to remove this information depending on space contraints;
>
> without saying what VALUE could be. For someone who want to write a
> frontend to display eldoc signitures, this is useless. For someone who
> want to write a documentation backend for eldoc, this is useless as
> well. I think the protocol should at least specify what VALUE could be
> expected: signature? full-doc? example? links?
>
>
>
> Also contraints is spelled wrong. And on line 705.
>
>
>
>

--00000000000033107c05ae81181a
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<div dir=3D"auto">Acknowledged. The latest eldoc in master is a work in pro=
gress.This in on my to-do list. Soon I&#39;ll improve the documentation, as=
 well as specifying what the &quot;display engine&quot; is supposed to be.<=
div dir=3D"auto"><br></div><div dir=3D"auto">I think, this will be quite us=
eful when (re) designing your eldoc-box extension, Yuan. Maybe that extensi=
on could even be included into Emacs itself.</div><div dir=3D"auto"><br></d=
iv><div dir=3D"auto">Jo=C3=A3o</div></div><br><div class=3D"gmail_quote"><d=
iv dir=3D"ltr" class=3D"gmail_attr">On Fri, Sep 4, 2020, 17:18 Yuan Fu &lt;=
<a href=3D"mailto:casouri@HIDDEN">casouri@HIDDEN</a>&gt; wrote:<br></=
div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-lef=
t:1px #ccc solid;padding-left:1ex">Currently the documentation of `eldoc-do=
cumentation-functions&#39; says this:<br>
<br>
* `:thing&#39;, VALUE is a short string or symbol designating what is<br>
being reported on.=C2=A0 The documentation display engine can elect<br>
to remove this information depending on space contraints;<br>
<br>
without saying what VALUE could be. For someone who want to write a<br>
frontend to display eldoc signitures, this is useless. For someone who<br>
want to write a documentation backend for eldoc, this is useless as<br>
well. I think the protocol should at least specify what VALUE could be<br>
expected: signature? full-doc? example? links?<br>
<br>
<br>
<br>
Also contraints is spelled wrong. And on line 705.<br>
<br>
<br>
<br>
</blockquote></div>

--00000000000033107c05ae81181a--




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bug#43205; Package emacs. Full text available.

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Subject: 28.0.50; Eldoc protocol not useful for third-party packages
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Currently the documentation of `eldoc-documentation-functions' says this:

* `:thing', VALUE is a short string or symbol designating what is
being reported on.  The documentation display engine can elect
to remove this information depending on space contraints;

without saying what VALUE could be. For someone who want to write a
frontend to display eldoc signitures, this is useless. For someone who
want to write a documentation backend for eldoc, this is useless as
well. I think the protocol should at least specify what VALUE could be
expected: signature? full-doc? example? links?



Also contraints is spelled wrong. And on line 705.




Acknowledgement sent to Yuan Fu <casouri@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#43205; Package emacs. Full text available.
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