I've just published draft #2 of SRFI 2. It was submitted by John Cowan, co-author of the SRFI.
Here are John Cowan's comments on the draft:
I may add maybe-cond later.
I will not be adding maybe-and-let*, because there is no portable implementation of and-let* (there is one for define-macro, one for explicit renaming, and one for syntax-case).
Here is the commit summary:
Here's the diff: