<chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr> <chr_abbr type="reg" class="dc" expan="" cert="no">mt-hbar</chr_abbr> <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr>l fu<chr_var letter="s" var="long">∫</chr_var>t or en e<chr_var letter="s" var="long">∫</chr_var>t for<chr_var letter="s" var="long">∫</chr_var> 