<?xml version='1.0'?>
<!DOCTYPE latex SYSTEM "latex.entities.dtd" []>

<latex>
  <character entity="&#948;">\delta</character>
  <character entity="&#954;">\kappa</character>
  <character entity="&#960;">\pi</character>
  <character entity="&#x02212;">-</character>
  <character entity="&#x003B2;">\beta</character>
  <character entity="&#x00302;">\sphat</character><!-- superscript=""-->
  <character entity="&#x00302;" arguments="1">\hat</character>
</latex>