### [NTG-context] \right)² not recognized as \right)^2

Dear ConTeXt folks,

is it expected that \right)² is not recognized as \right)^2?

\starttext

Using ^2:

\placeformula
\startformula
\left( a + b \right)^2 = a² + 2ab + b²
\stopformula

\placeformula
\startformula
\left( a + \frac72 \right)^2
\stopformula

Using ². The first example does not display the problem that well
because the parenthesis are too small:
\placeformula
\startformula
\left( a + b \right)² = a² + 2ab + b²
\stopformula

\placeformula
\startformula
\left( n + \frac72 \right)²
\stopformula
\stoptext

Please find the example also attached.

Thanks,

Paul

square.pdf
\starttext

Using ^2:

\placeformula
\startformula
\left( a + b \right)^2 = a² + 2ab + b²
\stopformula

\placeformula
\startformula
\left( a + \frac72 \right)^2
\stopformula

Using ². The first example does not display the problem that well because the parenthesis are too small:
\placeformula
\startformula
\left( a + b \right)² = a² + 2ab + b²
\stopformula

\placeformula
\startformula
\left( n + \frac72 \right)²
\stopformula
\stoptext

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### Re: [NTG-context] \right)² not recognized as \right)^2


Am 20.11.2011 um 19:52 schrieb Paul Menzel:

Dear ConTeXt folks,

is it expected that \right)² is not recognized as \right)^2?

Yes it is, to enable this feature you need the “mathcrap” module.

Wolfgang
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### Re: [NTG-context] \right)² not recognized as \right)^2

Am Sonntag, den 20.11.2011, 19:58 +0100 schrieb Wolfgang Schuster:
Am 20.11.2011 um 19:52 schrieb Paul Menzel:

is it expected that \right)² is not recognized as \right)^2?

Yes it is, to enable this feature you need the “mathcrap” module.

Thank you for the quick answer, but ² is still not put at the correct
height when used like \right)².

Thanks,

Paul

square.pdf
\usemodule[mathcrap]
\starttext

Using ^2:

\placeformula
\startformula
\left( a + b \right)^2 = a² + 2ab + b²
\stopformula

\placeformula
\startformula
\left( a + \frac72 \right)^2
\stopformula

Using ². The first example does not display the problem that well because the parenthesis are too small:
\placeformula
\startformula
\left( a + b \right)² = a² + 2ab + b²
\stopformula

\placeformula
\startformula
\left( n + \frac72 \right)²
\stopformula
\stoptext

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Description: This is a digitally signed message part
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maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
archive  : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
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### Re: [NTG-context] \right)² not recognized as \right)^2

On Sun, Nov 20, 2011 at 08:18:33PM +0100, Paul Menzel wrote:
Am Sonntag, den 20.11.2011, 19:58 +0100 schrieb Wolfgang Schuster:
Am 20.11.2011 um 19:52 schrieb Paul Menzel:

is it expected that \right)² is not recognized as \right)^2?

Yes it is, to enable this feature you need the “mathcrap” module.

Thank you for the quick answer, but ² is still not put at the correct
height when used like \right)².

Looking at the mathcrap module (nice name :p), it seems the ² (and other
superscript characters) is defined as {\normalsuperscript{2}} and the
extra grouping makes the superscript to be applied to an empty base not
the brace. Not sure if removing that extra group is safe or not
(\normalsuperscript{2} on its own seems to be safe).

Regards,
Khaled

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### Re: [NTG-context] \right)² not recognized as \right)^2


On 20-11-2011 20:31, Khaled Hosny wrote:

On Sun, Nov 20, 2011 at 08:18:33PM +0100, Paul Menzel wrote:

Am Sonntag, den 20.11.2011, 19:58 +0100 schrieb Wolfgang Schuster:

Am 20.11.2011 um 19:52 schrieb Paul Menzel:

is it expected that \right)² is not recognized as \right)^2?

Yes it is, to enable this feature you need the “mathcrap” module.

Thank you for the quick answer, but ² is still not put at the correct
height when used like \right)².

Looking at the mathcrap module (nice name :p), it seems the ² (and other
superscript characters) is defined as {\normalsuperscript{2}} and the
extra grouping makes the superscript to be applied to an empty base not
the brace. Not sure if removing that extra group is safe or not
(\normalsuperscript{2} on its own seems to be safe).

not grouping gives an error on $a₀₁₂₃₄₅₆₇₈₉₋₌₊$ (maybe we could have
{}\normal... but on the other hand, this module is not really needed as
mkiv already recognizes these funny chars anyway

Hans

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