* add lang-reader-module-paths to syntax/module-reader to be used as the third argument to make-meta-reader in lang-extensions like at-exp * document lang-reader-module-paths * use lang-reader-module-paths in at-exp
Please merge to 6.3.
#:module-wrapper
A `#:module-wrapper` option is useful for adding a scope to an entire `module` form.
The layer is now redundant, since everything left in "pkgs" is in the "racket-pkgs" category.
