Bug 300862 Change buttons order in PathVariableDialog
IMHO more intuitive order for buttons in PathVariableDialog would be [File...][Folder...][Variable...] instead of [File...][Variable...][Folder...]. I can provide a patch if the swap makes sense to you too ;)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/PathVariableDialog.java
* @param type the dialog type: <code>NEW_VARIABLE</code> or
     * 	<code>EXISTING_VARIABLE</code>
     * @param variableType the type of variable that can be edited in 
     * 	this dialog. <code>IResource.FILE</code> or <code>IResource.FOLDER</code>
     * @param pathVariableManager a reference to the path variable manager
     * @param namesInUse a set of variable names currently in use 
     */
    public PathVariableDialog(Shell parentShell, int type, int variableType,
            IPathVariableManager pathVariableManager, Set namesInUse) {
        super(parentShell);
        this.type = type;
        this.operationMode = type;
        this.variableName = ""; 
        this.variableValue = ""; 
        this.variableType = variableType;
        this.pathVariableManager = pathVariableManager;
        this.namesInUse = namesInUse;
        if (operationMode == NEW_VARIABLE)
            this.standardMessage = IDEWorkbenchMessages.PathVariableDialog_message_newVariable;
        else if (operationMode == EXISTING_VARIABLE)
            this.standardMessage = IDEWorkbenchMessages.PathVariableDialog_message_existingVariable;
        else
            this.standardMessage = IDEWorkbenchMessages.PathVariableDialog_message_editLocation;
    }
    /**
     * Configures this dialog's shell, setting the shell's text.
     * 
     * @see org.eclipse.jface.window.Window#configureShell(Shell)
     */
    protected void configureShell(Shell shell) {