Created by: portnov
This node generates a trivial curve, which consists of a single point. Such curve is not useful by itself, but it can be used with some nodes to construct something interesting.
Use with "Blend Curves" node to construct a smooth continuation of given curve, which ends in a specific point:

Use with "Loft" node, to construct a surface which closes at some point:

Preflight checklist
Put an x letter in each brackets when you're done this item:
- 
Code changes complete.  - 
Code documentation complete.  - 
Documentation for users complete (or not required, if user never sees these changes).  - 
Manual testing done.  - 
Unit-tests implemented.  - 
Ready for merge.