BEIRUT (Reuters) -The Lebanese and Syrian presidents discussed delineating their countries’ shared maritime border on Saturday before a visit to Damascus next week by a Lebanese delegation tasked with negotiating the issue, a Lebanese official said. A dispute over their shared sea boundary emerged last year after Syria granted a licence to a Russian energy company to begin maritime exploration in an area Lebanon claimed. Several gas discoveries have been made in the eastern Mediterranean. Lebanese President Michel Aoun earlier said demarcating the border would be next after Lebanon agreed its …