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cannot open idea5 project
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IDEA 7 refuses to open an idea5 project file, says the .iws has a problem: no content allowd in prologue (line 1) the .xml is definitely ok and idea5.1 can open it.
IWS is a workspace, it can be deleted and regenerated on the next run.
If I remember correctly, Idea5 stored run/debug configurations in the
.iws file, so he may loose some settings.