[NTG-context] math error in ConTeXt?

2012-01-25 Thread Meer, H. van der
Of these two variants the second works.
The first gives as error an old enemy: the \Umathquad error

% gives an error:
\startsetups[test]
$\displaystyle
a=1
$
\stopsetups
\setup[test]
\stoptext

% works:
\starttext
$$\displaylines{a=1\cr b+c+d=3\cr}$$
\stoptext

ConTeXt  ver: 2012.01.16 18:33 MKIV
! Math error: parameter \Umathquad\displaystyle is not set.
\8:test #1-$\displaystyle a=1$

Why this error?

Hans van der Meer



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Re: [NTG-context] math error in ConTeXt?

2012-01-25 Thread Hans Hagen

On 25-1-2012 17:29, Meer, H. van der wrote:

Of these two variants the second works.
The first gives as error an old enemy: the \Umathquad error

% gives an error:
\startsetups[test]
$\displaystyle
a=1
$
\stopsetups
\setup[test]
\stoptext

% works:
\starttext
$$\displaylines{a=1\cr b+c+d=3\cr}$$
\stoptext

ConTeXt  ver: 2012.01.16 18:33 MKIV
! Math error: parameter \Umathquad\displaystyle is not set.
\8:test #1-$\displaystyle a=1$

Why this error?


Because no font has been loaded and \starttext will load defaults. So 
best hav esomeghing


\setupbodyfont[whatever-you-want]

\startext

\stoptext

Hans


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[NTG-context] math error

2010-03-18 Thread Wolfgang Werners-Lucchini
Hallo,

the following example compiles ok

\starttext
\startformula
\frac{206}{7}=[29;2,2,1]
\stopformula
\stoptext

while this compiles not

\starttext
\startformula
[29;2,2,1]=\frac{206}{7}
\stopformula
\stoptext

Bug or user error?

Wolfgang
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Re: [NTG-context] math error

2010-03-18 Thread Mehdi Omidali

On 3/18/2010 4:15 PM, Wolfgang Werners-Lucchini wrote:

the following example compiles ok

\starttext
\startformula
\frac{206}{7}=[29;2,2,1]
\stopformula
\stoptext

while this compiles not

\starttext
\startformula
[29;2,2,1]=\frac{206}{7}
\stopformula
\stoptext
   
In context, commands accept options enclosed by [] after their name. In 
the second example, context expect [29;2,2,1] to be options for 
\startformula. So replace the second one with


\startformula[]
[29;2,2,1]=\frac{206}{7}
\stopformula

Mehdi


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Re: [NTG-context] math error

2010-03-18 Thread Mikael Persson
On Thu, Mar 18, 2010 at 1:45 PM, Wolfgang Werners-Lucchini
w...@musensturm.de wrote:
 Hallo,

 the following example compiles ok

 \starttext
 \startformula
 \frac{206}{7}=[29;2,2,1]
 \stopformula
 \stoptext

 while this compiles not

 \starttext
 \startformula
 [29;2,2,1]=\frac{206}{7}
 \stopformula
 \stoptext

 Bug or user error?

 Wolfgang

Try

\starttext
\startformula\relax
[29;2,2,1]=\frac{206}{7}
\stopformula
\stoptext

I think the [ is taken as starting an optional argument for \startformula.

Best regards, Mikael
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[NTG-context] math error

2010-03-18 Thread Wolfgang Werners-Lucchini
Sorry, I found it!

\starttext
\startformula[]
[29;2,2,1]=\frac{206}{7}
\stopformula
\stoptext

Wolfgang
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