<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> li <chr_abbr type="reg" class="sc" expan="qua" cert="no">q-alpha</chr_abbr>rz <chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr> la a<chr_var letter="s" var="long">∫</chr_var>aillj 