Found the following HTML validation problems:
powerjoin-package.html:23:4: Warning: <img> attribute "align" not allowed for HTML5
Found the following HTML validation problems:
powerjoin-package.html:23:4: Warning: <img> attribute "align" not allowed for HTML5
Namespaces in Imports field not imported from:
  ‘generics’ ‘lifecycle’ ‘magrittr’
  All declared Imports should be used.
Found the following HTML validation problems:
powerjoin-package.html:23:4: Warning: <img> attribute "align" not allowed for HTML5
Namespaces in Imports field not imported from:
  ‘generics’ ‘lifecycle’ ‘magrittr’
  All declared Imports should be used.
Found the following HTML validation problems:
powerjoin-package.html:23:4: Warning: <img> attribute "align" not allowed for HTML5
Found the following HTML validation problems:
powerjoin-package.html:23:4: Warning: <img> attribute "align" not allowed for HTML5
Namespaces in Imports field not imported from:
  ‘generics’ ‘lifecycle’ ‘magrittr’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘generics’ ‘lifecycle’ ‘magrittr’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘generics’ ‘lifecycle’ ‘magrittr’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘generics’ ‘lifecycle’ ‘magrittr’
  All declared Imports should be used.