Using the Triage Method in Technical Writing
http://www.geoff-hart.com/resources/1999/triage.htm

Hart, Geoffrey J.S.
Geoff-Hart.com
1999

Abstract:

Pragmatism is the necessary first step: do the best job you can do under the conditions. Nobody's going to benefit if you do a superb job on half the manual, then die of stress before you can document the important parts in the second half.