The hook function anju-main-menu--reconfigure-file in anju-reconfigure-main-menu-hook modifies the File menu in the main menu bar.
Enabling anju-main-menu--reconfigure-file can be done using the checkbox interface provided by customize-variable when modifying anju-reconfigure-main-menu-hook.
anju-main-menu--reconfigure-file supports the following customization variable:
anju-file-menu-replace-make-frame-onIf non-nil, the following menu items are replaced with more context-specific behavior: