Use lazy front-matter regex
Use lazy front-matter regex

Using a greedy regex could lead to unintended consequences, like the
inability to syntax highlight a unified diff. This resolves issues like
that by using .*? instead of .* so that the closing +++ is matched as
soon as possible.

Keats/gutenberg,Keats/gutenberg,Keats/gutenberg,Keats/gutenberg,Keats/gutenberg