OTHER: Transform get_absolute_position into absolutify_and_validate_pos.
OTHER: Transform get_absolute_position into absolutify_and_validate_pos.

absolutify_and_validate_pos handles both the case where we want to
allow position after last entry and where we want existing positions
only.

chrippa/xmms2,theefer/xmms2,xmms2/xmms2-stable,krad-radio/xmms2-krad,krad-radio/xmms2-krad,xmms2/xmms2-stable,xmms2/xmms2-stable,krad-radio/xmms2-krad,krad-radio/xmms2-krad,six600110/xmms2,chrippa/xmms2,oneman/xmms2-oneman-old,mantaraya36/xmms2-mantaraya36,theeternalsw0rd/xmms2,dreamerc/xmms2,six600110/xmms2,theefer/xmms2,mantaraya36/xmms2-mantaraya36,oneman/xmms2-oneman-old,mantaraya36/xmms2-mantaraya36,oneman/xmms2-oneman-old,six600110/xmms2,six600110/xmms2,theefer/xmms2,oneman/xmms2-oneman-old,six600110/xmms2,theeternalsw0rd/xmms2,dreamerc/xmms2,oneman/xmms2-oneman,oneman/xmms2-oneman,dreamerc/xmms2,theefer/xmms2,chrippa/xmms2,mantaraya36/xmms2-mantaraya36,dreamerc/xmms2,chrippa/xmms2,theeternalsw0rd/xmms2,mantaraya36/xmms2-mantaraya36,xmms2/xmms2-stable,oneman/xmms2-oneman,theefer/xmms2,xmms2/xmms2-stable,theeternalsw0rd/xmms2,mantaraya36/xmms2-mantaraya36,krad-radio/xmms2-krad,oneman/xmms2-oneman,theeternalsw0rd/xmms2,oneman/xmms2-oneman-old,dreamerc/xmms2,krad-radio/xmms2-krad,theefer/xmms2,theefer/xmms2,chrippa/xmms2,oneman/xmms2-oneman,theeternalsw0rd/xmms2,oneman/xmms2-oneman,chrippa/xmms2,mantaraya36/xmms2-mantaraya36,six600110/xmms2,xmms2/xmms2-stable,oneman/xmms2-oneman