<chr_var letter="A" var="2">A2</chr_var> bien pou <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> le <chr_var letter="s" var="long">∫</chr_var>en<chr_var letter="s" var="long">∫</chr_var> n<add place="infralinear">.</add><add place="supralinear">a</add>e changie. 