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
* was just selected by the user or some previous default has been used.
     * The parameter can be used to override the users preference.  For example,
     * this is important in cases where the default selection is already in use
     * and the user is forced to choose a different one.
     * 
     * @param force
     *            true if the dialog should be opened regardless of the value of
     *            the show dialog checkbox
     */
    public void prompt(boolean force) {
        if (force || launchData.getShowDialog()) {
            open();
            
            if (getReturnCode() == CANCEL) {
				launchData.workspaceSelected(null);
			}
            return;
        }
        String[] recent = launchData.getRecentWorkspaces();
        
        
        String workspace = null;
        if (recent != null && recent.length > 0) {
			workspace = recent[0];
		}
        if (workspace == null || workspace.length() == 0) {
			workspace = launchData.getInitialDefault();
		}
        launchData.workspaceSelected(workspace);
    }