A change is either a state change, or a scan or a grapheme change
An associative change is either adding or removing an association
An update is a sequence of changes
Source code of the graph function.
Audio input file (tape) grapheme.
Hint key for copying scan connections during copy.
Hint key for copying scan connections during copy. Value should be a
predicate function (Proc[S]) => Boolean. If absent, all connections
are copied.