working on concise grammar

- remove automatic boxing of collections
- fix a couple of errors
3 jobs for 40-make-grammar-s-more-concise in 9 minutes and 5 seconds (queued for 6 seconds)
Status Name Job ID Coverage
  Build
passed build #27232

00:00:53

 
  Test
passed test #27233

00:08:12

 
  Ragdoc Build
passed ragdoc_build #27234

00:00:17