Merge branch 'remove-fragile-dependency-on-ord-for-Set-in-graphics' into 'master'

Image attributes now uses a Data.SetBy instead of Data.Set;

See merge request !335
1 job for master in 2 minutes and 31 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #100153
test-nightly

00:02:31