chef

https://github.com/opscode/chef

Ruby

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

Chef::Util::DSC::ConfigurationGenerator#validate_configuration_name!

From PowerShell error help for the Configuration language element:
  Standard names may only contain letters (a-z, A-Z), numbers (0-9), and underscore (_).
  The name may not be null or empty, and should start with a letter.

Source | Google | Stack overflow

Edit

git clone [email protected]:opscode/chef.git

cd chef

open lib/chef/util/dsc/configuration_generator.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--Util--DSC--ConfigurationGenerator-validate_configuration_name--for-pr

# Commit to git

git add lib/chef/util/dsc/configuration_generator.rbgit commit -m "better docs for Chef::Util::DSC::ConfigurationGenerator#validate_configuration_name!"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-Chef--Util--DSC--ConfigurationGenerator-validate_configuration_name--for-pr

hub pull-request

# Celebrate!