technomancy/leiningen — pull request #803 by tobias (2012-10-05 18:40:45+00:00)
Title: Support subtask specific help via 'lein help task subtask'

The help task will first look for static help under 'leiningen/help/task-subtask', then for a function name 'help-subtask' in the subtask's namespace, then a docstring on the subtask function. For the latter two options, the arglists are also printed.