void CollMove (Collection* C, unsigned OldIndex, unsigned NewIndex);
/* Move an item from one position in the collection to another. OldIndex
-** is the current position of the item, NewIndex is the new index after
+** is the current position of the item, NewIndex is the new index before
** the function has done it's work. Existing entries with indices NewIndex
-** and up are moved one position upwards.
+** and up might be moved one position upwards.
*/
void CollMoveMultiple (Collection* C, unsigned Start, unsigned Count, unsigned Target);