ZTHYA5WM6U6RY57HKV2UDBDJ3W7DDQOZZKMV6G4N6EHFGNOVO5PQC
L2R5WULWN44SCNUPP7R7I2AQCWQR6D3E2YZA35RBXZAR2LGC6LQQC
OTIBCAUJ3KDQJLVDN3A536DLZGNRYMGJLORZVR3WLCGXGO6UGO6AC
if not eq(old_top, pane.screen_top1) then -- and not eq(pane.screen_top1, {line=1, pos=1}) then
if not eq(old_top, pane.screen_top1) then