# Opal specs overview

* **rubyspecs** (file) a whitelist of RubySpec files to be ran
* **rubyspec** RubySpec examples (submodule)
* **stdlib** `rubysl-*` examples (submodules)
* **filters** The list of MSpec/RubySpec examples that are either bugs or unsupported
* **opal** opal additions/special behaviour in the runtime/corelib
* **lib** specs for opal lib (parser, lexer, grammar, compiler etc)