USABLE_ON_MAP (a child element of SPELL) means the skill is usable on the map. By default all skills are usable in battle but not on the map.
USABLE_ON_MAP does not take any value.
- <SPELL>
- <GROUP>Healing Spells</GROUP>
- <NAME>Cure Light Wounds</NAME>
- <USABLE_ON_MAP/>
- ......
- </SPELL>