prawn

https://github.com/prawnpdf/prawn

Ruby

Fast, Nimble PDF Writer for Ruby

Post#update_cached_fields

No Docs, write some!

Source | Google | Stack overflow

Edit

git clone git@github.com:prawnpdf/prawn.git
cd prawn
open

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Post-update_cached_fields-for-pr

# Commit to git
git add git commit -m "better docs for Post#update_cached_fields"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-Post-update_cached_fields-for-pr
hub pull-request

# Celebrate!