Syntax: repair [object|all]
Repairers specialize in different material types that they are able to
repair. At most a single repairer can repair 3 types of material. 'Repair'
without an object or all will list all objects that repairer can fix.
Repair allows you to repair equipment and swords at metal blacksmiths, and
recharge staves and wands at magical 'blacksmiths.' Repair all attempts to
repair every item in your inventory. There is a 10% surcharge for using
'repair all', for the convenience of having all of the equipment in your
inventory repaired at once.