Remove outdated C spec PDF to avoid confusion.  Remove "2.2" on registry index from what is now the unified extension spec. (#61)

2 files changed
tree: a6218b85797d56b2c1a34bfddae058cef75d471f
  1. CODE_OF_CONDUCT.md
  2. README.adoc
  3. api/
  4. extensions/
  5. index.php
  6. sdk/
  7. specs/
  8. xml/