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The crate-level docs currently say options accept a value after a space or
=, butoptflagoptintentionally treats--text fooas an option without a value plus a free argument. This can silently surprise callers using the documented syntax.Distinguish required arguments from optional long-option arguments, document the long/short forms on
optflagopt, and extend its runnable example to show--text fooand-t foo. Parser behavior is unchanged.The public CLI reproducer confirms the distinction on current main. Default and no-default tests, all 12 doctests, documentation with warnings denied, and formatting pass locally on macOS. Other platforms remain upstream CI checks.
The examples also cover a lone
-as a short-option value and a following long option retaining its own meaning.Fixes #104.
Prepared with Codex assistance and independently reviewed by another agent before submission.