Imports github.com/yuin/goldmark/ast github.com/yuin/goldmark/renderer github.com/yuin/goldmark/util golang.org/x/image/bmp golang.org/x/image/tiff golang.org/x/image/vp8 golang.org/x/image/webp Standard library imports bufio bytes fmt image image/gif image/jpeg image/png io os strconv strings