Bug 144988 [WorkspaceLauncher] Disallow space as workspace name
In Windows, when I launch Eclipse 3.2, a workspace window box is launched. I was able to specify simply the space character as the workspace path. It wasn't allow in Eclipse 3.1.2
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/ChooseWorkspaceDialog.java
if (recentWorkspaces[i] != null) {
				text.add(recentWorkspaces[i]);
			}
		}
        text.setText(text.getItemCount() > 0 ? text.getItem(0) : launchData
                .getInitialDefault());
    }
    
	/* (non-Javadoc)
     * @see org.eclipse.jface.window.Dialog#getDialogBoundsSettings()
     * 
     * @since 3.2
     */
	protected IDialogSettings getDialogBoundsSettings() {
		
		
		
		if (centerOnMonitor) {
			return null;
		}
		
        IDialogSettings settings = IDEWorkbenchPlugin.getDefault().getDialogSettings();
        IDialogSettings section = settings.getSection(DIALOG_SETTINGS_SECTION);
        if (section == null) {
            section = settings.addNewSection(DIALOG_SETTINGS_SECTION);
        } 
        return section;
	}
}