RFR: 8374905: Clarify ZonedDateTime#toString() documentation regarding omitted zero seconds

[Roger Riggs]

On Fri, 9 Jan 2026 20:48:39 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Clarifying the javadoc for `ZonedDateTime#toString()` about the zero seconds/nanoseconds omission. A corresponding CSR has also been drafted.

Looks good.

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Marked as reviewed by rriggs (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29146#pullrequestreview-3645604905