<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>il a<chr_var letter="s" var="long">∫</chr_var> c<chr_abbr type="reg" class="dc" expan="" cert="no">h-hbar</chr_abbr>r<chr_var letter="s" var="long">∫</chr_var> pe<chr_var letter="s" var="long">∫</chr_var>a <note place="unspecified" anchored="yes">"∫" of "∫il" was at first a "c"</note> 