A in<chr_var letter="s" var="long">∫</chr_var> li e<chr_var letter="s" var="long">∫</chr_var>t ui<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> <chr_abbr type="reg" class="sc" expan="tro" cert="no">t-o</chr_abbr>p demore 