It could not be changed at all: propose refused a name set there and never replaced one. The ask now says plainly that it replaces or removes the registered section and binds its text's digest; on Approve every node renders the new text in the place of the old (a removal leaves it out); a replacement keeps the section's own heading form (issue 340 note 14). Claude-Session: https://claude.ai/code/session_01NcbgfFSnn24M3GcqttoU7i