<sup>
A superscript is text that is printed above the line. It is frequently used in chemical and mathematical formulas.
Rendering expectations
The content of the <sup>
element is typically rendered higher in relationship to the
surrounding text and in a smaller font.
Specialization hierarchy
The <sup> element is
specialized from <ph>. It is defined in the
highlighting-domain module.
Content model
(Text | <cite> | <include> | <keyword> | <ph> | <q> | <term> | <text> | <tm> | <xref> | <data> | <draft-comment> | <foreign> | <required-cleanup>)*
Not contained by any element.
Not contained by any element.
Inheritance
+ topic/ph hi-d/sup
The <sup> element is specialized from <ph>. It is defined in the hi-domain module.
Attributes
The following attributes are
available on this element: universal
attributes and @keyref.
The following attributes are available on this element: universal attributes and the attributes defined below.
@keyref- Specifies a key name that acts as a redirectable reference based on a key definition within a map. See The keyref attribute for information on using this attribute.
Example
This section is non-normative.
The following code sample shows a <sup> element used to ensure
proper formatting of the exponent in the number ten to the power of five:
<p>The power produced by the electrohydraulic dam was 10<sup>5</sup> more than
the older electric plant.</p>