I've just published draft #6 of SRFI 252. It was submitted by Antero Mejr, author of the SRFI.

Here are Antero's comments on the draft:

Changes from v5:

• Allow testing procedures to be macros.
• Fix confusing wording for exact-integer-complex-generator.
• Mention the way to name property tests using a test group.

Here is the commit summary:

• Fix exact-integer-complex-generator spec wording
• Allow testing procedures to be macros
• Mention how to name property tests
• Name prop test in first example
• Publish sixth draft.

Here's the diff:

https://github.com/scheme-requests-for-implementation/srfi-252/compare/draft-5..draft-6

Regards,

SRFI Editor