<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> li un<chr_var letter="s" var="long">∫</chr_var> lautre eng<chr_abbr type="reg" class="dc" expan="in" cert="no">i-hbar</chr_abbr>gne. <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> boute. 