After posting my response to the Good Question: Automatically Disabling Layer Evaluation, I received an email from R.K. McSwain…with a good question and answer! He mentioned that, after implementing acaddoc.lsp functionality, users sometimes ask him why AutoCAD prompts them to save their new drawing even if they haven’t made any changes.
The answer to that good question, as R.K. pointed out, is that AutoCAD has made changes, automatically. When you use acaddoc.lsp (as described in my previous post) the code in that file automatically runs when you open (or create) a drawing. It may not be obvious to you, but if you immediately try to close a new drawing without saving it, AutoCAD will prompt you to save changes.
Thanks to R.K. McSwain for anticipating the questions and providing the answer!
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