Mypal/devtools/shared/pretty-fast/UPGRADING.md

UPGRADING

1. git clone https://github.com/mozilla/pretty-fast.git

2. Copy pretty-fast/pretty-fast.js to devtools/shared/pretty-fast/pretty-fast.js

3. Copy pretty-fast/test.js to devtools/shared/pretty-fast/tests/unit/test.js

4. If necessary, upgrade acorn (see devtools/shared/acorn/UPGRADING.md)

5. Replace acorn/dist/ with acorn/ in pretty-fast.js.