Clicking the Gimp icon in the dock should bring Gimp forward
GIMP (GNU Image Manipulation Program) is a free image editor
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lisanet
When the Gimp is not the front-most app, clicking on the Gimp icon does nothing. It should bring the app's windows to the front. Clicking the X11 icon *does* bring it to the front, which makes sense given how it works, but it's not very user-friendly. Probably what needs to be done is have the stub Aqua app capture the open event and forward it to X11.
this will be added in the next release (> 2.6.7-p1)