Tracking Issue for RFC 534: rename deriving to derive

[nrc]

[nrc]

RFC

[nrc]

Step 1: accept both syntaxes, the old one is deprecated (#20365)
Step 2: snapshot
Step 3: convert uses of old syntax (https://github.com/nick29581/rust/tree/mod2)
Step 4: remove old syntax

[cristicbz]

Surely you mean gerunds, not participles!

[nrc]

This is fixed