+ <menuitem action='snap-to-frame'/>
+ <menuitem action='snap-to-cd-frame'/>
+ <menuitem action='snap-to-smpte-frame'/>
+ <menuitem action='snap-to-smpte-seconds'/>
+ <menuitem action='snap-to-smpte-minutes'/>
+ <menuitem action='snap-to-seconds'/>
+ <menuitem action='snap-to-minutes'/>
+ <menuitem action='snap-to-thirtyseconds'/>
+ <menuitem action='snap-to-asixteenthbeat'/>
+ <menuitem action='snap-to-eighths'/>
+ <menuitem action='snap-to-quarters'/>
+ <menuitem action='snap-to-thirds'/>
+ <menuitem action='snap-to-beat'/>
+ <menuitem action='snap-to-bar'/>
+ <menuitem action='snap-to-mark'/>
+ <menuitem action='snap-to-edit-cursor'/>
+ <menuitem action='snap-to-region-start'/>
+ <menuitem action='snap-to-region-end'/>
+ <menuitem action='snap-to-region-sync'/>
+ <menuitem action='snap-to-region-boundary'/>