<chr_abbr type="reg" class="ml" expan="par" cert="no">par</chr_abbr> couant <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> q<chr_abbr type="reg" class="sc" expan="uant" cert="no">nt-alpha</chr_abbr> leu<chr_var letter="s" var="long">∫</chr_var> <chr_var letter="s" var="long">∫</chr_var>era 