code-dot-org/code-dot-org — pull request #588 by joshlory (2014-12-01 20:35:18+00:00)
Title: Create error messages for common function editor mistakes

1. Use of an empty function block
2. Use of a function that contains an incomplete block
3. Misuse of params:
a. Required # of params not declared
b. Param declared but not actually used in the function
c. Function not called with the correct # of params
4. Function declared but never used in workspace