shell-glossary 20260422

NEWS:
* Reverted a9cc8d1 ("fed(): Do not polish the $_fmt string"). The change was
  backward-incompatible, but not marked as one. $_fmt is now being normalized
  again, as it might be expected.
  Breaking (backward-incompatible) change.

- Filtered log of core changes:
5b0c87e Revert "fed(): Do not polish the $_fmt string"

- Complete log between 20260328 and 20260422 (5b0c87e):
5b0c87e Revert "fed(): Do not polish the $_fmt string"
0ee69f2 file_preload(): [doc] clarify description
71b8e41 CREDITS: Update PGP key
5559027 README.md: Update showcase for 20260328