<chr_var letter="S" var="1">S1</chr_var> i <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> de neent ne <chr_var letter="s" var="long">∫</chr_var>e <chr_abbr type="reg" class="dc" expan="gri" cert="no">g-vbar</chr_abbr>eue. 