Bug 34159 [Tasks] First three columns of Task List too wide w/native table
The type, completion, and priority columns of the Task list using the native table widget on MacOS X are much wider than are necessary for displaying the icons in those columns and appear not to be resizable.
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/tasklist/TaskList.java
} else if (property == tableColumnProperties[3]) { 
				marker.setAttribute(IMarker.MESSAGE, value);
				
				
				
				
				
			}
		} catch (CoreException e) {
			String msg = TaskListMessages.getString("TaskList.errorModifyingTask"); 
			ErrorDialog.openError(
				getSite().getShell(),
				msg,
				null,
				e.getStatus());
		}
	}
	/**
	 * API method which sets the current selection of this viewer.
	 *
	 * @param selection a structured selection of <code>IMarker</code> objects
	 * @param reveal <code>true</code> to reveal the selection, <false> otherwise
	 */
	public void setSelection(ISelection selection, boolean reveal) {
		Assert.isTrue(selection instanceof IStructuredSelection);
		IStructuredSelection ssel = (IStructuredSelection) selection;
		
		for (Iterator i = ssel.iterator(); i.hasNext();)
			Assert.isTrue(i.next() instanceof IMarker);