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Created by Administrator@rootOwner

Error while previewing Markdown of Milestone Edit.

Created by: praveenscience

  1. Summary: Markdown preview in the Edit Milestone doesn't work for https://gitlab.com/.

  2. Steps to reproduce:

    1. Go to your project, mine's a Private Project. (https://gitlab.com/username/project)
    2. Click on Milestones, existing one. (milestones) (milestones/1)
    3. Click on Edit. (milestones/1/edit)
    4. Click on Preview after writing any text.

  3. Expected behavior: Should show the preview after processing with GFM.

  4. Observed behavior: It throws an error:

    Uncaught Error: Syntax error, unrecognized expression: .zennable input[type=checkbox]##md-preview-holder.

  5. Relevant logs and/or screenshots:

    gitlab

  6. Output of checks: This is in the production version of the GitLab, and the bug is present at the time of posting this issue.

  7. Possible fixes: Looks like a JavaScript DOM query error, and since the code is minified, I am not able to find the exact solution.