[REFS[
- [2] [CITE[Mixing Markup Languages for Mathematical Expressions]] ([TIME[2010-10-20 20:51:46 +09:00]] 版) <http://www.w3.org/TR/MathML/chapter5.html#mixing.elements.annotation>
- [3] [CITE[Ink Markup Language (InkML)]]
<http://www.w3.org/TR/2011/REC-InkML-20110920/#annotationElement>

[DEL[
- [1] [CITE[Content Markup]] ([TIME[2003-10-21 04:36:56 +09:00]] 版) <http://www.w3.org/TR/MathML/chapter4.html#id.4.4.11.2.2>
]DEL]
]REFS]

* [CODE(XMLa)@en[encoding]]

- [CODE@en[[[Maple]]]]
- [CODE@en[[[Mathematica]]]]
- [CODE@en[[[TeX]]]]

* 関連

[4] [CODE(XMLe)@en[[[annotation-xml]]]] [[要素]]もあります。

[5] [CODE(XMLe)@en[[[annotation-xml]]]] [[要素]]と [CODE(XMLe)@en[[[metadata]]]]
[[要素]]が似ているように、 [CODE(XMLe)@en[[[annotation]]]] [[要素]]と
[CODE(XMLe)@en[[[meta]]]] [[要素]]も似ています。

[FIG(quote)[
[FIGCAPTION[
[6] [CITE@ja[<semantics> - MathML | MDN]]
( ([TIME[2016-05-21 21:32:58 +09:00]]))
<https://developer.mozilla.org/ja/docs/Web/MathML/Element/semantics>
]FIGCAPTION]

> 
>     <!-- annotate an image -->
>     <annotation encoding="image/png" src="some/path/formula.png"/>
>     <!-- annotate TeX -->
>     <annotation encoding="application/x-tex">
>       x^{2} + y 
>     </annotation> 

]FIG]


[FIG(quote)[
[FIGCAPTION[
[7] [CITE@en[SnuggleTeX - MathML Semantic Enrichment Demo]]
( ([[David McKain]]著, [TIME[2016-05-21 21:35:48 +09:00]]))
<http://www2.ph.ed.ac.uk/snuggletex/UpConversionDemo>
]FIGCAPTION]

> 
>     </mfrac>
>     <annotation encoding="SnuggleTeX">\'''[''' \frac{2f(x)-e^x}{\sin xy^2(x-2)} \''']'''</annotation>
>   </semantics>

]FIG]


[FIG(quote)[
[FIGCAPTION[
[8] [CITE@en[SnuggleTeX - MathML Semantic Enrichment Demo]]
( ([[David McKain]]著, [TIME[2016-05-21 21:36:14 +09:00]]))
<http://www2.ph.ed.ac.uk/snuggletex/UpConversionDemo>
]FIGCAPTION]

> 
>     <annotation encoding="SnuggleTeX">\'''[''' \frac{2f(x)-e^x}{\sin xy^2(x-2)} \''']'''</annotation>
>     <annotation encoding="LaTeX">\'''[''' \frac{2f(x)-e^x}{\sin xy^2(x-2)} \''']'''</annotation>
>     <annotation encoding="Maxima">((2 * f(x)) - exp(x)) / sin((x * (y^2) * (x - 2)))</annotation>
>     <annotation-xml encoding="SnuggleTeX-upconversion-options">
>       <s:upconversion-options xmlns:s="http://www.ph.ed.ac.uk/snuggletex">

]FIG]


[9] [CITE@en[Bug 100626 – Full support for semantics element]]
( ([TIME[2016-05-21 21:39:43 +09:00]]))
<https://bugs.webkit.org/show_bug.cgi?id=100626>