feat: add subscript and superscript support to text editor - #3068
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Add subscript (x₂) and superscript (x²) formatting options for scientific notation, mathematical expressions, and footnotes. Features: - Toolbar buttons with toggle functionality - Slash commands (/subscript, /superscript) - Active state indication - Available in HTML and TiptapJson editor modes - Not available in Markdown (no native support) Changes: - Install @tiptap/extension-subscript and @tiptap/extension-superscript - Add subscript() and superscript() editor actions - Integrate into HTML and TiptapJson strategies - Add unit tests covering all functionality 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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JammingBen
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Description
Adds subscript (x₂) and superscript (x²) formatting to the text editor for scientific notation, mathematical expressions, and footnotes.
Availability: HTML and TiptapJson modes. Not available in Markdown (no native support).
Related Issue
Closes #3070
Changes
@tiptap/extension-subscriptand@tiptap/extension-superscriptto web-pkguseEditorActions.tsTesting
Type