get-default-shortcut-prefix in Miscellaneous

Returns an immutable list specifying the default prefix for menu shortcuts. See also get-shortcut-prefix in selectable-menu-item<%>.

Under Windows, the default is '(ctl). Under Mac OS X, the default is '(cmd). Under X, the default is normally '(ctl), but the default can be changed through the '|MrEd:defaultMenuPrefix| preference low-level preference (see Preferences).