Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the Package Manager (Window > Package Manager)
3. Select the Test Framework package in the Package Manager window
4. Click on the Documentation or Changelog link
5. Observe the opened page
Expected result: The correct Unity Manual page opens
Actual result: Broken Unity Manual page opens
Reproducible with: 1.5.1 (6000.0.44f1, 6000.1.0b14, 6000.2.0a8)
Not reproducible with: 1.4.6, 2.0.1-pre.18 (2022.3.60f1)
Fixed in: 2.0.1-exp.1 (2022.3.60f1)
Reproducible on: Windows 11
Not reproducible on: No other environment tested