add comment
refresh section on block structure
remove todos which got done by our awesome backend team!
make "doc" optional in assert
rewrite section on specification statements, including =>
update section on definite initialization
minor
refresh/update section on control structures
assertions
start work on expressions chapter
done on references, starting invocation expressions
default type arguments, and minor fix
update operator precedence table
tighten up checking of !is
mention negated assignability conditions
minor
done positional args
update section in evaluation/assignment/invocation runtime semantics
fix error
update operators section