BIP20,21: add Proposed-Replacement and Replaces headers #1984

1. 
   jonatack commented at 5:09 pm on September 24, 2025: member

   to clarify the relationship between BIPs 20 and 21.
2. jonatack added the label Proposed BIP modification on Sep 24, 2025
3. 
   murchandamus commented at 6:04 pm on September 24, 2025: member

   LGTM
4. BIP20,21: add Superseded-By and Replaces headers bce576b21a
5. murchandamus force-pushed on Feb 27, 2026
6. 
   murchandamus commented at 11:42 pm on February 27, 2026: member

   Rebased and updated to use the terminology of BIP 3: s/Superseded-By/Proposed-Replacement/
7. murchandamus renamed this:
   BIP20,21: add Superseded-By and Replaces headers
   BIP20,21: add Proposed-Replacement and Replaces headers
   on Feb 27, 2026
8. murchandamus merged this on Feb 27, 2026
9. murchandamus closed this on Feb 27, 2026

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10. jonatack deleted the branch on Feb 28, 2026

Contributors
jonatack murchandamus

Labels
Proposed BIP modification