###Just to add the perspective of a scripter
Scripts can vary from a few lines to a complicated and comprehensive solution, involving many aspects. Especially in the latter case, I am asking editors to be *restraint* to edit. If you assume this is a a result of being possesive, or having difficulties in the principles of *sharing* as the guidelines of SE describes, please continue reading.

Comprehensive scripts are often the result of a detailed research and testing. Each and every line is the result of a *decision in context*. In many cases, procedures are tested and compared on speed, efficiency and relation with other parts of the script.

Then after posting, the job is not done. In many cases, scripts subsequently run for hours, days, sometimes even weeks or months, to make sure the script works as intended, and no side effects occur. This often leads to further editing. 

In this, I significantly treat my code differently from textual content of an answer, and I am asking editors to act accordingly. If you are willing to do the same and run long term tests to see if an edit has issues you might have overlooked, I will highly appreciate and embrace your edit.

If not however, I am asking you to, by all means, mention where in your opinion the code can be improved, bet let me edit in your suggestion. 

That is, in short, what I call *be restraint in  editing code*.