Editor, Memory Leak?

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I am now positive that the editor for Civ3 (and PtW with 1.14f) has a memory leak. With 384MB RAM, I start the program and all is fine I open up scenario #1, still no problem, and with the expected drop in resources. However, if I open up a couple of other scenarios, each time obviously closing the previous ones, my resources continually deplete, until I get the "Low on resources" message, with a red bar on my resource meter. If I close the editor, reopen it, and reopen the latest scenario, then my resources are back to normal.

Is this a memory leak, or something similar? And if so, could it be fixed. If so, then this should definitly be looked at after MP is fixed.