<chr_abbr type="reg" class="sc" expan="Qua" cert="no">Q-alpha</chr_abbr> till<chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr>e<chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr>tre <chr_var letter="s" var="long">∫</chr_var>eli<chr_abbr type="reg" class="dc" expan="pri" cert="no">p-vbar</chr_abbr>e 