Bug fix: Prevent fully defined links [name](link) from being reformatted

[augustelalande]

Summary

Currently fully define markdown links which include ticks are being reformatted by

ruff/crates/ruff_dev/src/generate_docs.rs

Lines 105 to 114 in 8619986

	let documentation = Regex::new(r"\[`([^`]*?)`]($|[^\[])").unwrap().replace_all(
	documentation,
	|caps: &Captures| {
	format!(
	"[`{option}`][{option}]{sep}",
	option = &caps[1],
	sep = &caps[2]
	)
	},
	);

[`name`](link) -> [`name`][name](link)

For example: https://docs.astral.sh/ruff/rules/typed-argument-default-in-stub/

This PR excludes the open parentheses from the regex, so that these types of links won't be reformatted.

Test Plan

Extended the regression test.

[github-actions]

ruff-ecosystem results

Linter (stable)

✅ ecosystem check detected no linter changes.

Linter (preview)

✅ ecosystem check detected no linter changes.

Formatter (stable)

✅ ecosystem check detected no format changes.

Formatter (preview)

✅ ecosystem check detected no format changes.

[charliermarsh]

Does the example in https://docs.astral.sh/ruff/rules/typed-argument-default-in-stub/ now render correctly? I think this hack exists because MkDocs wasn't respecting backticks within URLs.

[augustelalande]

It does work. Although looking again at #280 I'm not sure why.

[charliermarsh]

Is it possible that something changed in MkDocs?

[augustelalande]

Wait actually this always worked even in Python-Markdown/markdown#280

>>> markdown.markdown('[`hello`](world)')
'<p><a href="world"><code>hello</code></a></p>'

[augustelalande]

What doesn't work is empty references with code formatting, so the proposed fix is reasonable.

>>> markdown.markdown('[`hello`][]\n\n[`hello`]: world')
'<p>[<code>hello</code>][]</p>'

And actually the current implementation doesn't address Python-Markdown/markdown#280

[charliermarsh]

Oh right, I think the motivating case was specifically about reference links.