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From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: \setupmathradical[sqrt] crunches denominator in an \over fraction
Date: Thu, 24 Apr 2014 10:40:15 +0200	[thread overview]
Message-ID: <5358CDEF.4050103@wxs.nl> (raw)
In-Reply-To: <87k3aitf25.fsf@approx.mit.edu>

On 4/22/2014 1:53 AM, Sanjoy Mahajan wrote:
> I have been trying out the newish
> \setupmathradical[sqrt][alternative=mp], which has been very nice
> because of the fine control over the radical sign.
>
> I've noticed that it crunches the denominator in \sqrt{a\over b}
> For example:
>
> \starttext
> \placeformula\startformula
> \sqrt{k\over m}\quad \sqrt{\displaystyle{k\over m}}
> \stopformula
>
> \setupmathradical[sqrt][alternative=mp]
>
> \placeformula\startformula
> \sqrt{k\over m}\quad \sqrt{\displaystyle{k\over m}}
> \stopformula
>
> \stoptext
>
> In the first line, the fractions come out fine.  In the second line, the
> first k\over m has a small, inline-math m in the denominator but a
> display-math k in the numerator.  The second sqrt is fine.
>
> Is the problem that my plain-TeX habits, from decades using \over,
> should be over, and that \frac is the recommended way?

indeed. this is what (sort of) happens in case of a plugged in renderer:

\sqrt{#1} -> ...\mathstylehbox{#1}... -> ...\hbox{\stylecommand #1}...

when #a = a \over b the style gets applied to the a only as \over 
creates two (pseudo) groups i.e. the \over isolates a and b

 > \sqrt{{k\over m}}\quad \sqrt{\displaystyle{k\over m}}

would work ok

Hans

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  reply	other threads:[~2014-04-24  8:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-21 23:53 Sanjoy Mahajan
2014-04-24  8:40 ` Hans Hagen [this message]
2014-04-24 10:00   ` Sanjoy Mahajan

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