Now, if someone copies this link and writes about it without decoding, they mistakenly refer to amp-url as a parameter. The correct interpretation is:

inside an HTML attribute (e.g., <a href="..."> ), an HTML encoder might convert & to & . The result becomes:

itms-services://?action=download-manifest&url=https://example.com/app.plist

&url → encoded as &url → misinterpreted as amp-url When writing the actual link in HTML, you should use: