Fixes MR web preview links.

This results in wrong rendering otherwise.

Lars Bilke authored 4 years ago and Dmitri Naumov committed 4 years ago

Mainly:

- syntax hint for fenced code blocks
- Alt text for images
- Header mismatches

Lars Bilke authored 4 years ago and Dmitri Naumov committed 4 years ago

https://github.com/igorshubovych/markdownlint-cli

```bash
markdownlint -f -i releases **/*.pandoc **/*.md
```

Extend and correct the benchmark description page.

No changes to the results.

Did not work when specified after the [menu]-entry.