Fix array tests after TR change
spell check redex reference
Add test for pr14567.

Closes PR 14567.
It seems that this has been already fixed.
Add omit-define-syntaxes to secondary form of define-type-alias.

Closes PR 14505.
Add docs about optional type annotation to let/ec and let/ec:.
Make parse-type raise the right error for incorrect use of ->.
add setup/matching-platform

Put a function that was implemented in two places in one place.
raco pkg install: make conflict checking sensitive to platform specifier
raco setup: add `--check-pkg-deps` for checking specified collections

This flag enables scalable package dependency checking to a large
degree, although dependencies related to documentation cross
references can escape detection.
raco setup: add `--pkgs` argument

The arguments to `--pkgs` specify collections to set up as the collections
that are (partially) provided by a set of packages.

Closes PR 14396
Define SCHEME_PLATFORM_LIBRARY_SUBPATH for some architectures on OpenBSD
raco setup: make `--check-pkg-deps` require dependency declarations

By default, `raco setup` skips checking dependencies when a package
declares no dependencies. Make `--check-pkg-deps` check in that
case, too.