>I created a simple PRG in Beta6 and printed some output to screen. Then I made an edit, and reran the PRG, but the output didn't change as I had expected. I then commented out ALL the code in the PRG, and reran it. Still the same output was printed to screen again. I tried with CTRL+E, menu, and Command window.
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>I'm guessing the FXP was stuck in memory and continued to be run, and the PRG was not recompiled each time I saved and reran it...anyone else seen this?

As old as mFoxPlus... it keeps the compiled version in memory. This is what made me love the internal editor, because it never noticed the changes made with an external one. "Clear Prog" used to work for most cases.