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I can't see why, at time of writing, you would ever include a detail that did not seem apt and necessary at the time. Nor can I see why you would ever omit a detail that did seem apt and necessary....
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#4: Attribution notice removed
Source: https://writers.stackexchange.com/a/24189 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#3: Attribution notice added
Source: https://writers.stackexchange.com/a/24189 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
I can't see why, at time of writing, you would ever include a detail that did not seem apt and necessary at the time. Nor can I see why you would ever omit a detail that did seem apt and necessary. It is quite likely that you will decide later that many of the details you thought apt and necessary are either not apt or not necessary or both. You will remove them. And you will also discover that other details are apt and necessary. You will add them. That is what revision is for. But I can't see why you would plan to say too much or too little in the first draft. The first is a waste and a distraction and the second risks losing the inspiration that allowed you to imagine the scene. Write as much or as little detail as seems apt to you in the moment. Whether it is too much or too little is something you will discover later in revision.