Rating services are divided on whether the income documentation used by Caliber Home Loans qualifies as full documentation. The differences are apparent in a pending $342.6 million issuance from Lone Star Funds, which is stocked with mortgages from Caliber. According to Fitch Ratings, Lone Star is the only current issuer of nonprime MBS to keep mortgages with nontraditional income-documentation out of its deals. The rating service said 99.4 percent of the dollar volume of the loans ...