master
feat(derive): Support markdown
test(derive): Rely on snapshot testing
test(derive): Make stable across upgrade
fix(derive): Allow `update_from` when explicit requireds used
test(derive): Unwrap, don't exit
chore: Update from template
fix(derive): Use full doc comment for PossibleValue
feat(builder): Allow flags to take num_args=0..=1
fix(parser): Don't include groups in argument suggestions
fix(derive): Match rustc's error style
docs(derive): Update for new attributes
style: Make clippy happy
chore: Clippy
test(derive): Ensure output isn't munged