peek_probably_header?

# File tools/rail_inspector/lib/rail_inspector/changelog.rb, line 168
        def peek_probably_header?
          return false unless @buffer.peek(1) == "*"

          maybe_header = @buffer.check_until(/\n/).strip

          # If there are an odd number of *, then the line is almost certainly a
          # header since bolding requires pairs.
          return true unless maybe_header.count("*").even?

          !maybe_header.end_with?("*")
        end