mail

https://github.com/mikel/mail

Ruby

A Really Ruby Mail Library

Mail::Multibyte::Chars#downcase

Convert characters in the string to lowercase.

Example:
  'VĚDA A VÝZKUM'.mb_chars.downcase.to_s # => "věda a výzkum"

Source | Google | Stack overflow

Edit

git clone [email protected]:mikel/mail.git
cd mail
open lib/mail/multibyte/chars.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Mail--Multibyte--Chars-downcase-for-pr

# Commit to git
git add lib/mail/multibyte/chars.rbgit commit -m "better docs for Mail::Multibyte::Chars#downcase"

# 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--Multibyte--Chars-downcase-for-pr
hub pull-request

# Celebrate!