chore(spec.md): Remove YAML 1.1 concern for port syntax #491
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Technically a valid concern if the YAML parser is not 1.2 compliant (published 2009Q3) which dropped this number format.
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What this PR does / why we need it
YAML 1.2 (published 2009Q3) dropped this number format. Technically still a valid concern if the YAML parser is not 1.2 compliant (third-party implementations?).
I covered history and details in a related PR: docker-mailserver/docker-mailserver#3982
Which issue(s) this PR fixes
I just noticed that this was added to the spec in Jan 2020 with many other changes and no context available. This was an issue with the Python version of Docker Compose AFAIK, but is intentionally avoided with the YAML parser package used in the Go rewrite.
As far as quoting goes, that should only be relevant for ports 0-59 when the YAML parser is not YAML 1.2 compliant?
Feel free to reject 👍 (if otherwise wanting to merge, let me know and I'll sort out that DCO check)