The arrow-direction data type
The arrow-direction type represents the direction in which an arrow points, using Unicode arrow terminology.
Allowed values
Base type: xs:string
| down | ||
| left | ||
| left right | ||
| northeast | ||
| northeast southwest | ||
| northwest | ||
| northwest southeast | ||
| other | ||
| right | ||
| southeast | ||
| southwest | ||
| up | ||
| up down |