Describe the bug

In the latest version of Sphinx, search summaries include the anchor (which is often a character which is not present in a font). Example snippit:

Note F0C1 which is the paperclip character in the readthedocs theme

How to Reproduce

This is easily reproducible with any version of Sphinx since bf0bec3, when the bug was introduced. Simply perform a search and note that anchor content is in the results.

Environment Information

(skipping since not needed)

Sphinx extensions

(skipping since not needed)

Additional context

No response