O il<chr_punc mark="hook" force="" synt="" extra="no">punc2</chr_punc> ce ne li au<chr_abbr type="reg" class="dc" expan="int" cert="no">it-hbar</chr_abbr> on<chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> 