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Markdown: 3.9.0 rewrites subscript to strike-through #19735

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#19739
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Markdown: 3.9.0 rewrites subscript to strike-through#19735
#19739
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Description

@jan-evermood
jan-evermood
opened on Jul 27, 2026

Prettier v3.9.6
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--parser markdown

Input:

H~2~O

Output:

H~~2~~O

Expected output:

H~2~O

Why?

The Caret & Tilde extension uses that for subscript. Even without, single tildes might be intended. This appeared first with 3.9.0.

Activity

  1. fisker
    closed this as completedin #19739on Jul 28, 2026

  2. jan-evermood commented on Jul 30, 2026

    @jan-evermood
    jan-evermood
    on Jul 30, 2026
    Author

    Thank you! 🙏

  3. github-actions
    added
    locked-due-to-inactivityPlease open a new issue and fill out the template instead of commenting.
    on Oct 29, 2026
  4. github-actions
    locked as resolved and limited conversation to collaborators on Oct 29, 2026
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