Merge pull request #1357 from IntersectMBO/coot/10.15.2.0
CHaP update
CHaP update
CHaP update
Use default for the description of the text envelope
Drop the `:: () =>` constraint from `runNodeKeyGenBLSCmd` and `runNodeKeyHashBlsCmd` signatures
Replace parameterized ScriptRequirements GADT with flat unparameterized ADTs