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We have two computing senses apparently angling at the same thing. The first one (which looks good) is "Containing data which need to be written back to a larger memory"; the other, which I am RFVing here, is "Containing data which need to be overwritten." Equinox◑ 08:46, 6 August 2009 (UTC)
Neither is a very good definition. I suggest combining the two senses as "Containing data with a parity or checksum error, and thus needing to be rewritten." Dbfirs 15:09, 15 August 2009 (UTC)
The second definition (the one being RFV'd) may be a bad definition for the sense you describe; or, the sense you describe may be a separate one that needs to be added separately. Either way, the first definition (the one not being RFV'd) is something completely different; see e.g. google:"dirty checking". It can perhaps be improved, but it definitely can't be combined into the sense you describe. —RuakhTALK 17:40, 15 August 2009 (UTC)
It doesn't have to be a parity or checksum error. For example, a wordprocessor document is "dirty" if it's been modified by the user since the last save (once indicated by an asterisk in the title bar in Windows, but that doesn't seem to be fashionable any more). Equinox◑ 22:40, 23 August 2009 (UTC)
RFV failed, sense removed. —RuakhTALK 01:34, 16 December 2009 (UTC)