When I attempt to scroll a text file by swiping up, the displayed lines scroll at most three or four lines, sometimes none. Once it has scrolled up those couple of lines no more scrolling will occur in response to a swipe. Also, if I have scrolled the file up by, painfully slow, cursor movement then attempt to scroll using a swipe the text jumps back to the start. I have tried this with XML files as well and the behaviour is the same. Am I missing something of is there something wrong. I cannot see a setting that would obviously affect this behaviour.