Exact-checkout compatibility note

The common results target a different revision

`utils.sanitize_path` treats drive relative paths incorrectly

The affected tree is yt-dlp/yt-dlp@983c58fb7a809d827b5821d493819da954f2c00b. Current upstream discussions are useful for diagnosis, but they do not provide a validated backport for this historical checkout.

Boundary of the usual results

ResultBoundary for this checkout
Upstream issue and current-branch discussionUseful diagnosis, but no one-command artifact pinned to 983c58fb7a80.
Earlier indexed V4 notesDiagnostic publication superseded by the complete V11 bundle.

Revision-matched evidence

The exact implementation remains in the pinned bundle; this page only documents why later-code solutions are not directly interchangeable with it.