2. The recording medium of claim 1 , wherein the presentation segment defines a number of region subtitle information, each region subtitle information providing text subtitle data and a region style identifier.
2. The recording medium of claim 1 , wherein the presentation segment defines a number of region subtitle information, each region subtitle information providing text subtitle data and a region style identifier. 3. The recording medium of claim 2 , wherein the presentation segment defines two region subtitle information at most.