<chr_abbr type="reg" class="dc" expan="Q1ri" cert="no">Q1-vbar</chr_abbr> l an iront iu<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="sc" expan="qua" cert="no">q-alpha</chr_abbr>u pa<chr_var letter="s" var="long">∫</chr_var><chr_var letter="s" var="long">∫</chr_var>age 