Automate extension discovery with find-exts script, add README, add validate script hook
Include ISO Schematron from <http://www.schematron.com/implementation.html> under non-viral Open Source (OSI compliant zlib/libpng license or Apache License); also, immediate termination patch
Extension schema and validation system
IDL xml:space invariant and better @href error messages
validation nits
build products
Merge Khronos/WebGL:master
Friendlier @href assertions
Merge branch 'master' of https://github.com/KhronosGroup/WebGL into validate
Merge pull request #216 from dsheets/validate

DRY and Validate