Imports code.sajari.com/docconv/v2/iWork code.sajari.com/docconv/v2/snappy github.com/JalfResi/justext github.com/richardlehane/mscfb github.com/richardlehane/msoleps golang.org/x/net/html google.golang.org/protobuf/proto Standard library imports archive/zip bufio bytes encoding/binary encoding/json encoding/xml fmt io os os/exec path strings time