devise

https://github.com/plataformatec/devise

Ruby

Flexible authentication solution for Rails with Warden.

Mail::Utilities#dquote

Wraps supplied string in double quotes and applies \-escaping as necessary,
unless it is already wrapped.

Example:

 string = 'This is a string'
 dquote(string) #=> '"This is a string"'

 string = 'This is "a string"'
 dquote(string #=> '"This is \"a string\"'

Source | Google | Stack overflow

Edit

git clone [email protected]:plataformatec/devise.git
cd devise
open

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Mail--Utilities-dquote-for-pr

# Commit to git

git add git commit -m "better docs for Mail::Utilities#dquote"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Mail--Utilities-dquote-for-pr

hub pull-request

# Celebrate!