Change in \vec behavior

Change in \vec behavior

[Jean-Philippe Rey via ntg-context]

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Hello,

As I usually do at the end of each year, I upgraded my ConTeXt installation. I noticed a change in \vec behavior which doesn't extend the arrow anymore. Here is my example:

\starttext
Engine: \texenginename\ \texengineversion

\ConTeXt: \contextversionnumber

\type{$\vec{AB}$} : $\vec{AB}$
\stoptext

The result with the latest ConTeXt version:


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and with the version from a year ago:


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I am aware that I could use \overrightarrow, but I prefer the shape and position of the \vec arrow, especially with single letters.


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What is the rationale for the change in \vec? Is there a way to get the previous behavior back?

Thanks,

-- 
Jean-Philippe Rey
jean-philippe.rey@centralesupelec.fr
91192 Gif-sur-Yvette Cedex - France
Empreinte PGP : 807A 5B2C 69E4 D4B5 783A 428A 1B5E E83E 261B BF51


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Re: Change in \vec behavior

[Alan Braslau via ntg-context]

On Sun, 18 Dec 2022 19:37:17 +0100
Jean-Philippe Rey via ntg-context <ntg-context@ntg.nl> wrote:

> What is the rationale for the change in \vec? Is there a way to get
> the previous behavior back?

I certainly hope that this is a bug (and not a "design choice").

Alan
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Re: Change in \vec behavior

[Jean-Philippe Rey via ntg-context]

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Hello,

Does anyone have some insight on this issue?

Thanks,


> Le 18 déc. 2022 à 19:37, Jean-Philippe Rey via ntg-context <ntg-context@ntg.nl> a écrit :
> 
> Hello,
> 
> As I usually do at the end of each year, I upgraded my ConTeXt installation. I noticed a change in \vec behavior which doesn't extend the arrow anymore. Here is my example:
> 
> \starttext
> Engine: \texenginename\ \texengineversion
> 
> \ConTeXt: \contextversionnumber
> 
> \type{$\vec{AB}$} : $\vec{AB}$
> \stoptext
> 
> The result with the latest ConTeXt version:
> 
> 
> 
> and with the version from a year ago:
> 
> 
> 
> I am aware that I could use \overrightarrow, but I prefer the shape and position of the \vec arrow, especially with single letters.
> 
> 
> What is the rationale for the change in \vec? Is there a way to get the previous behavior back?
> 
> Thanks,
> 


-- 
Jean-Philippe Rey
jean-philippe.rey@centralesupelec.fr <mailto:jean-philippe.rey@centralesupelec.fr>
91192 Gif-sur-Yvette Cedex - France
Empreinte PGP : 807A 5B2C 69E4 D4B5 783A 428A 1B5E E83E 261B BF51


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___________________________________________________________________________________

Re: Change in \vec behavior

[Mikael Sundqvist via ntg-context]

On Sun, Jan 22, 2023 at 9:21 AM Jean-Philippe Rey via ntg-context
<ntg-context@ntg.nl> wrote:
>
> Hello,
>
> Does anyone have some insight on this issue?
>
> Thanks,
>
>
> Le 18 déc. 2022 à 19:37, Jean-Philippe Rey via ntg-context <ntg-context@ntg.nl> a écrit :
>
> Hello,
>
> As I usually do at the end of each year, I upgraded my ConTeXt installation. I noticed a change in \vec behavior which doesn't extend the arrow anymore. Here is my example:
>
> \starttext
> Engine: \texenginename\ \texengineversion
>
> \ConTeXt: \contextversionnumber
>
> \type{$\vec{AB}$} : $\vec{AB}$
> \stoptext
>
> The result with the latest ConTeXt version:
>
>
>
> and with the version from a year ago:
>
>
>
> I am aware that I could use \overrightarrow, but I prefer the shape and position of the \vec arrow, especially with single letters.
>
>
> What is the rationale for the change in \vec? Is there a way to get the previous behavior back?
>
> Thanks,

There was a similar thread the other day.

\definemathtopaccent[top:stretch][vec]["20D7]

seems to work as a temporary solution. Does it give what you expect?

I think there will be an update in the next few days.

/Mikael
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___________________________________________________________________________________