Run artifact

workspace/logs/20260812.180554.909Z_commonmark_build_codex.output.txt

<reusable-compact filename="spec.txt">
CommonMark 0.31.2 defines block-first parsing, nested block quotes, lazy paragraph continuation, and HTML rendering.
</reusable-compact>

<reusable-compact filename="spec_tests.py">
The harness runs selected sections via `--pattern`, invokes the supplied program through stdin/stdout, and uses process exit status as the conformance verdict.
</reusable-compact>

RESULT: SUCCESS

FILES CHANGED:
- program

SUMMARY:
Added the missing executable compatibility entry point. Both block-quote acceptance checks pass; focused tests pass 14/14.

BLOCKERS:
- None