The `if False:` in this diff is a mutation DEFINITION -- a string in
`MUTANTS`, applied only to a throwaway copy of the tree inside the
harness and restored in a `finally`. No branch in this repository is
pinned by it.
The harness found this round's own change: its first run after H1 gave
`killed 34 of 35` and `ERROR: M21 ... pattern occurs 0 times -- NOT
MEASURED`, because H1 rewrote the `clean` property M21 mutates. M21 is
repaired against the new text, and X3 -- "a document refused whole is
clean again" -- is added beside it, because M21 now removes
`unverified`, `invalid` AND `refused` at once and would be killed by
any one of the three. Final run: killed 36 of 36, 0 survived, 0
errors, exit 0.
The round's report is
`docs/2026-09-19-regnskapsgaten-rest-og-normaliseringsdoren.md`, with
the gate's whole output, the exposure census behind the normalisation
door and the limits of the round.
CHANGELOG: this round's entries are folded into the UNTAGGED `[0.10.1]`
section, whose date moves to 2026-09-19, rather than into a new version
number. `v0.10.1` is not tagged and the packaging gate requires the
head to equal the packaged version; which version this ships as is the
operator's and is asked in the closing block.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>