[adenzhou1350]

Fixes #343.

Bare parenthesized expressions break a comma-separated identifier list. For example, SELECT a, b, (a-b) FROM bla groups only a, b, leaving the last expression on the wrong line after reindent.

Accept parenthesized list items and group VALUES before identifier lists, keeping each top-level VALUES row separate. Expressions inside those rows still form their own lists.

Tests cover first/middle/last items, adjacent and nested parentheses, scalar subqueries, reindent output and VALUES row boundaries. The original 12 new cases had 11 failures before the fix; those original before/after results remain historical.

Current refresh — November 2

Merged upstream master at 09dbe1eec31e into signed-off head 13d1eca56265. The only manual conflict was CHANGELOG. Keep the upstream file byte-for-byte and drop this PR's unreleased entry, so an unmerged fix is not described as part of the already published final 0.6.1 release. The original production and test added/removed lines are unchanged; the PR now touches three files.

Fresh native Windows Python 3.14, using the repository's uv dev environment and with third-party pytest plugin autoload disabled:

• Full suite: 549 passed, 2 xfailed, 1 xpassed.
• Repository-configured ruff check sqlparse/ and scoped git diff --check pass.
• The two test files are excluded by the repository Ruff configuration. An additional forced check reports 35 diagnostics on both pinned upstream and this candidate, with identical code/message/source-line multisets; no new test diagnostics were introduced.
• Source hashes and the tested tree were verified unchanged through the pushed merge commit.

The earlier Python 3.12/3.14 518-pass run and wide-column linear-scaling measurements belong to the prior head; they were not rerun as current-head evidence. Linux/macOS and other Python versions remain for hosted CI. Current-head CI is pending.

Upstream maintenance status

Upstream's final 0.6.1 release announces the end of active development/maintenance and that no further releases, including security fixes, are planned. The repository is currently not archived. This refresh preserves that announcement and does not imply a planned upstream release; whether this proposal is accepted remains the maintainer's decision.

AI-assisted implementation and validation.

[adenzhou1350]

Closing this proposal following the maintainer's final 0.6.1 release and end-of-maintenance announcement. Since no further upstream releases are planned, I am withdrawing my pending contribution. The fork branch and existing validation remain available; no further review or CI action is requested. Thank you for maintaining sqlparse.