[NTG-context] Re: Why overbar is so big

["Xavier B." <somenxavier@posteo.net>]

So,

Finally is it a bug in MKIV? It seems you fix some kind of bug in your messages. Is it true?

>     The output with Luametatex is correct but Luatex creates a raised bar 
>     (and different linebreaking).
> 
> \showglyphs
> 
> \startTEXpage[offset=1ex]
>      \ruledhbox{$\overline    {OA} = \overbar      {OA} = 4.2$}
>      \par
>      \ruledhbox{$\underline   {OA} = \underbar     {OA} = 4.2$}
>      \par
>      \ruledhbox{$\widetilde   {OA} = \widebar      {OA} = 4.2$}
>      \par
>      \ruledhbox{$\overbracket {OA} = \underbracket {OA} = 4.2$}
> \stopTEXpage
> 
> I'll add a 'force fix in spite of extensible being present' in mkiv. In 
> lmtx we always fix also because we drop in nicer shapes (watch the round 
> tips in lm and fancy tips in antykwa) and concluded that fonts will 
> remain as they are.
> 
> Hans

As you suggested, I will give a try to LMTX but be aware most user still use MKIV until most distros upgrade the texlive version of context to LMTX.

Regards,
Xavier
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