P3657 R0 A Grammar for Whitespace Characters

[wg21bot]

P3657R0 A Grammar for Whitespace Characters (Alisdair Meredith)

[tahonermann]

SG16 reviewed P3657R0 during the 2025-05-14 SG16 meeting. No polls were taken; feedback was provided to the author.

I am retaining the SG16 label and will schedule additional review pending a new revision. Adding the needs-revision tag.