\s* is useless without (.*?)

[Skeeve]

mark/pkg/mark/meta.go

Line 45 in 8e16f6f

reHeaderPatternV2 = regexp.MustCompile(`<!--\s*([^:]+):\s*(.*)\s*-->`)

The pattern (.*)\s*--> will always put all whitespace in the capturing group as *is greedy. To exclude them use (.*?)˜s*--> to make the * non-greedy. Alternatively leave the \s* out.