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docs/api/marks/subscript.md

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+# Subscript
+[![Version](https://img.shields.io/npm/v/@tiptap/extension-subscript.svg?label=version)](https://www.npmjs.com/package/@tiptap/extension-subscript)
+[![Downloads](https://img.shields.io/npm/dm/@tiptap/extension-subscript.svg)](https://npmcharts.com/compare/@tiptap/extension-subscript?minimal=true)
+
+Use this extension to render text in <sub>subscript</sub>. If you pass `<sub>` or text with `vertical-align: sub` as inline style in the editor’s initial content, both will be normalized to a `<sub>` HTML tag.
+
+## Installation
+```bash
+# with npm
+npm install @tiptap/extension-subscript
+
+# with Yarn
+yarn add @tiptap/extension-subscript
+```
+
+## Settings
+| Option         | Type     | Default | Description                                                           |
+| -------------- | -------- | ------- | --------------------------------------------------------------------- |
+| HTMLAttributes | `Object` | `{}`    | Custom HTML attributes that should be added to the rendered HTML tag. |
+
+## Commands
+| Command         | Parameters | Description               |
+| --------------- | ---------- | ------------------------- |
+| setSubscript    | —          | Mark text as subscript. |
+| toggleSubscript | —          | Toggle subscript mark.  |
+| unsetSubscript  | —          | Remove subscript mark.  |
+
+## Keyboard shortcuts
+* Windows/Linux: `Control`&nbsp;`,`
+* macOS: `Cmd`&nbsp;`,`
+
+## Source code
+[packages/extension-subscript/](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-subscript/)
+
+## Usage
+<tiptap-demo name="Marks/Subscript"></tiptap-demo>