GC Issue 13: validate in (keyword s) and (symbol s)

Comment made by: importer

cemerick said: [[file:cpDbtWw3ar3P8LeJe5afGb]]

Comment made by: importer

cemerick said: [[file:cpC-Qow3ar3P8LeJe5afGb]]

Comment made by: importer

Converted from http://www.assembla.com/spaces/clojure/tickets/17
Attachments:
0001-Test-invalid-symbol-keyword-names-raise-exceptions.patch - https://www.assembla.com/spaces/clojure/documents/cpC-Qow3ar3P8LeJe5afGb/download/cpC-Qow3ar3P8LeJe5afGb
validate-symbol-keyword-names.patch - https://www.assembla.com/spaces/clojure/documents/cpDbtWw3ar3P8LeJe5afGb/download/cpDbtWw3ar3P8LeJe5afGb
17-validate-keywords-symbols.diff - https://www.assembla.com/spaces/clojure/documents/d61sHuVFer3OGKeJe5afGb/download/d61sHuVFer3OGKeJe5afGb

Runtime validation off the table for perf reasons. cemerick's suggestion that arbitrary symbol support will render them valid is sound, but arbitrary symbol support is a different ticket/idea.

Temporarily reopening to add a label. Will return to original state shortly.