fnNormalizeString = function(value, p1, p2, p3) {
			return p1 + encodeURIComponent(decodeURIComponent(p2)) + p3;
		}
Normalizes the given canonical key.

Although keys contained in OData response must be canonical, there are
minor differences (like capitalization of suffixes for Decimal, Double,
Float) which can differ and cause equality checks to fail.

@param {string} sKey The canonical key of an entity
@returns {string} Normalized key of the entry
@protected