always show the memory use and the () status indicators in drracket's status line
fix careless error (apologies future git bisecters)
update drracket HISTORY.txt
Make module reader not return negative span when port location changes.
Make TR optimizer tests reset the port line counting.

This means new logging lines should not change the numbering of all existing
logs making diffs much cleaner.
Add delays to unboxed let to avoid optimizing twice.
add 'simple-root' for students to use in test suites that call gc:cons
docs typos
change the meaning of the #:enum argument to redex-check

Thanks to Neil Toronto for suggesting how to do this!
JIT: enable unboxing in branches of `if` and end of `begin`

When both branches of an `if` form can produce unboxed results, then
allow the unboxed result. Similarly, allow a `begin` form's last
expression to be unboxed.
Refine type for angle
Change float optimizations to not warn on projections.
Add more optimizations for projections.
Support ValuesDots in a typechecking a funapp

Closes PR 13651
Updated STLC diffs (auto-generated)
Add arg validation to redex benchmark script
add enum to list-machine benchmarks
Add enum to delim-cont bench
Add enum to poly-stlc bench
Add enum to stlc-sub, rbtrees benchmarks