modifying file properties

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I am using source file properties to set up debug/execute arguments. Then I use debug current file to debug the file. most of the times I do need to use the arguments set up in the file properties but sometimes I need other arguments (for example no arguments) and I would like to be able to use different arguments which I type in without modifying the file properties. Moereover, it is very confusing to modify in the debug menu the file properties which were set into the source menu file properties. I would ratehr have 2 different things, the source file properties, and the debug parameters which could be file properties ot other arguments. Hope this is clear or at least understandable.