Edit evolutionary legislation (6)

I believe the answer is:

redact

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'edit' is the definition.
('redact' can be a synonym of 'edit')

'evolutionary legislation' is the wordplay.
'evolutionary' becomes 'red' (I can't justify this - if you can you should believe this answer much more).
'legislation' becomes 'act' (I've seen this before).
'red'+'act'='REDACT'

Can you help me to learn more?

(Other definitions for redact that I've seen before include "Traced badly to edit" , "Edit for publication" , "Prepare to publish" , "Prepare for publication" , "Censor part of a text for security reasons" .)

I've seen this clue in The Guardian.

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