---
title: "Element <sup>"
source: https://dev.pageseeder.com/psml/elements/element-sup.html
description: "PSML Element reference for <sup>"
last_updated: 2026-08-07T17:09:54+10:00
tokens: ~177
---

# \<sup\>

## Summary

The `<sup>` element for superscript text.

Subscript element is [\<sub\>](element-sub.md)

## Usage context

| Element category | character-style |
| --- | --- |
| PSML level | portable |
| Permitted content | character style elements or text |
| Permitted parent |  |
| HTML equivalent | `<sup>` |
| OpenXML equivalent |  |

## Attributes

No attributes.

## Examples

```lang-xml

E = mc<sup>2</sup>
```

## Schema

### XML Schema

```lang-xml
<xs:element name="sup" type="character-style"/>
```

### Relax Schema

```lang-relax

element sup { character-style }
```

## Compatibility

This element was introduced in the first draft of PSML and is well-supported from PageSeeder 5.1.