Also tried to remove one (video) track from (1+2) default project.
Then undo with 'z'
==18036== Conditional jump or move depends on uninitialised value(s)
==18036== at 0x86FB8FB: Tracks::load(FileXML*, int&, unsigned int) (in /usr/bin/cin)
==18036== by 0x8552D4A: EDL::read_xml(FileXML*, unsigned int) (in /usr/bin/cin)
==18036== by 0x8552889: EDL::load_xml(FileXML*, unsigned int) (in /usr/bin/cin)
==18036== by 0x85E0E5D: MainUndo::load_from_undo(FileXML*, unsigned int) (in /usr/bin/cin)
==18036== by 0x85E0D04: MainUndo::undo() (in /usr/bin/cin)
==18036== by 0x8603DEF: MWindow::undo_entry(BC_WindowBase*) (in /usr/bin/cin)
==18036== by 0x85D6D3D: Undo::handle_event() (in /usr/bin/cin)
==18036== by 0x87ACE00: BC_MenuItem::dispatch_key_press() (in /usr/bin/cin)
==18036== by 0x87ADDC4: BC_MenuPopup::dispatch_key_press() (in /usr/bin/cin)
==18036== by 0x87AB7B6: BC_Menu::dispatch_keypress() (in /usr/bin/cin)
==18036== by 0x87AC341: BC_MenuBar::keypress_event() (in /usr/bin/cin)
==18036== by 0x87DCABE: BC_WindowBase::dispatch_keypress_event() (in /usr/bin/cin)
==18036==
but this one printed just once - I tried to 'remove track/undo by z' second time and this message doesn't show up.
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