Describes the next rake task. Duplicate
descriptions are discarded. Descriptions are shown with rake -T (up to the
first sentence) and rake -D (the entire description).
Example:
desc"Run the Unit Tests"tasktest:[:build]# ... run testsend
# File lib/rake/dsl_definition.rb, line 171
def desc(description) # :doc:
Rake.application.last_description = description
end
