package: github.com/opencontainers/image-spec
import:
- package: github.com/pkg/errors
  version: ">=0.7.0"
- package: github.com/xeipuuv/gojsonschema
  version: d5336c75940ef31c9ceeb0ae64cf92944bccb4ee
- package: github.com/russross/blackfriday
  version: ~v1.4
- package: github.com/shurcooL/sanitized_anchor_name
  version: 10ef21a441db47d8b13ebcc5fd2310f636973c77