<chr_abbr type="reg" class="dc" expan="Qui" cert="no">Q-vbar</chr_abbr> peur <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>ar<chr_abbr type="reg" class="dc" expan="" cert="no">r-hbar</chr_abbr>. <chr_var letter="s" var="long">∫</chr_var>ont. 