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3755c56dcf
derive arguments like this:
#[arg(long)]
pub flag: bool,
were producing option descriptions like this:
--flag=FLAG
FLAG is spurious. It turns out that derive always sets a value name, for
simplicity, even when there are no arguments. Check for this case.
Fixes #4443.
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|---|---|---|
| .. | ||
| aliases.bash.roff | ||
| basic.bash.roff | ||
| feature_sample.bash.roff | ||
| hidden_option.bash.roff | ||
| possible_values.bash.roff | ||
| quoting.bash.roff | ||
| special_commands.bash.roff | ||
| sub_subcommand_help.roff | ||
| sub_subcommands.bash.roff | ||
| value_env.bash.roff | ||
| value_hint.bash.roff | ||
| value_name_without_arg.bash.roff | ||