zeta2: Include a single unified diff for the edit history (#40400)
Instead of producing multiple code blocks for each edit history event,
we now produce a continuous unified diff.
Release Notes:
- N/A
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Co-authored-by: Oleksiy Syvokon <oleksiy.syvokon@gmail.com>
23a0b6503cAgus Zubiaga committed on 10/16/2025, 4:03:15 PM· committed by GitHubparent923e880