* Override MathML formula label
@ 2019-07-27 6:23 Duncan Hothersall
2019-07-28 20:04 ` Hans Hagen
0 siblings, 1 reply; 3+ messages in thread
From: Duncan Hothersall @ 2019-07-27 6:23 UTC (permalink / raw)
To: mailing list for ConTeXt users
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Hi all.
In processing MathML if I want a formula to be numbered I add a label="X"
attribute to the <formula> tag as per:
\usemodule[mathml]
\starttext
\xmlprocessdata{}{<formula label='X'>
<math xmlns='http://www.w3.org/1998/Math/MathML'>
<mi>p</mi><mo>=</mo><mi>c</mi><mo>-</mo><mi>t</mi>
</math>
</formula>}{}
\stoptext
This will label the formula as (1). I know I can adjust how the automatic
numbering is generated using \setupformulae, but how can I override the
label used for a specific formula, say to set it to (36A)?
Basically I have a setup where formulae are mostly numbered sequentially
but occasionally individual formulae need to have an out-of-sequence or
differently formatted number.
Thanks as ever for any help.
Duncan
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: Override MathML formula label
2019-07-27 6:23 Override MathML formula label Duncan Hothersall
@ 2019-07-28 20:04 ` Hans Hagen
2019-07-29 6:40 ` Duncan Hothersall
0 siblings, 1 reply; 3+ messages in thread
From: Hans Hagen @ 2019-07-28 20:04 UTC (permalink / raw)
To: mailing list for ConTeXt users, Duncan Hothersall
On 7/27/2019 8:23 AM, Duncan Hothersall wrote:
> Hi all.
>
> In processing MathML if I want a formula to be numbered I add a
> label="X" attribute to the <formula> tag as per:
>
> \usemodule[mathml]
> \starttext
> \xmlprocessdata{}{<formula label='X'>
> <math xmlns='http://www.w3.org/1998/Math/MathML'>
> <mi>p</mi><mo>=</mo><mi>c</mi><mo>-</mo><mi>t</mi>
> </math>
> </formula>}{}
> \stoptext
>
> This will label the formula as (1). I know I can adjust how the
> automatic numbering is generated using \setupformulae, but how can I
> override the label used for a specific formula, say to set it to (36A)?
> **
>
> Basically I have a setup where formulae are mostly numbered sequentially
> but occasionally individual formulae need to have an out-of-sequence or
> differently formatted number.
>
> Thanks as ever for any help.
\usemodule[mathml]
\startxmlsetups mml:formula
\edef\mmlformulalabel{\xmlatt{#1}{label}}
\edef\mmlformulatitle{\xmlatt{#1}{title}}
\doifsomethingelse {\mmlformulalabel\mmlformulatitle} {
\startplaceformula[reference=\mmlformulalabel,title=\mmlformulatitle]
\startformula
\xmlfirst{#1}{/mml:math}
\stopformula
\stopplaceformula
} {
\startformula
\xmlfirst{#1}{/mml:math}
\stopformula
}
\stopxmlsetups
\starttext
\xmlprocessdata {} {
<document>
<formula label='X'>
<math xmlns='http://www.w3.org/1998/Math/MathML'>
<mi>p</mi><mo>=</mo><mi>c</mi><mo>-</mo><mi>t</mi>
</math>
</formula>
<formula label='Y' title="whatever">
<math xmlns='http://www.w3.org/1998/Math/MathML'>
<mi>p</mi><mo>=</mo><mi>c</mi><mo>-</mo><mi>t</mi>
</math>
</formula>
<formula label='Z'>
<math xmlns='http://www.w3.org/1998/Math/MathML'>
<mi>p</mi><mo>=</mo><mi>c</mi><mo>-</mo><mi>t</mi>
</math>
</formula>
</document>
}{}
\stoptext
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