-'let :=' for immediate evaluation in assignment.
+'let :=' for immediate evaluation in assignment. Does this work
+for included files?
Default parameters, ie:
goal foo (name, release = true) = ...
You might only allow defaults to be added to the end, or you
might allow goals to be called with labelled parameters.
+
+Fix: You must use 'all ()' on the command line.
+
+"Quiet" code. Generally {CODE} sections in user files should be
+echos, and those in stdlib should run silently (except if debugging).
+Maybe we should have a quiet keyword to indicate this?