You can search for identifiers within the package.
in-package search v0.2.0
ppx_diff.diffable
Diffable.Diff
module type S_plain = sig ... end
module type S = sig ... end
module type S_atomic = sig ... end
module type S1_plain = sig ... end
module type S1 = sig ... end
module type S2_plain = sig ... end
module type S2 = sig ... end