Paste query into Preview Editor

Copy/pasting a query out of the preview editor is useful, but it should be easier to paste a query back into the preview editor. I often paste a query into my favorite text editor in order to bulk edit / refactor / etc. If I copy all the M back to my clipboard, it doesn't work to paste back onto the preview editor. Pasting a query from the text editor should work the same way as pasting from a query you copied from the editor.