<formula>

<formula> contains a mathematical or other formula. 14.2 Formulæ and Mathematical Expressions
Modulefigures — 14 Tables, Formulæ, and Graphics
AttributesIn addition to global attributes
notationsupplies the name of a previously defined notation used for the content of the element.
Status Optional
Datatype 

<rng:ref name="data.code"/>
data.code
Values The name of a formal notation previously declared in the document type declaration.
Used by model.graphicLike
May contain
core: binaryObject graphic
figures: formula
Declaration

<rng:element name="formula">
<rng:ref name="att.global.attributes"/>
<rng:optional>
 <rng:attribute name="notation">
  <rng:ref name="data.code"/>
 </rng:attribute>
</rng:optional>
<rng:zeroOrMore>
 <rng:choice>
  <rng:text/>
  <rng:ref name="model.graphicLike"/>
 </rng:choice>
</rng:zeroOrMore>
</rng:element>
element formula
{
   att.global.attributes,
   attribute notation { data.code }?,
   ( text | model.graphicLike )*
}
Example
<formula notation="TeX">$e=mc^2$</formula>