* Fixed `strictFuncs` support for `std/pegs`
Enabled `std/pegs` in the `strictFuncs` import test.
Fixes#18057Fixes#16892
See #18111
* Rebased from `devel`
* Conditionally compile `std/pegs` in `koch`
This is for supporting `csources` bootstrap.
Co-authored-by: quantimnot <quantimnot@users.noreply.github.com>