Q<chr_abbr type="reg" class="dc" expan="ui" cert="no">apost</chr_abbr> la rien<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> iaim plu<chr_var letter="s" var="long">∫</chr_var> li doigne. 