</span><span class='lparen'>(</span><span class='symbol'>:anchor</span><span class='rparen'>)</span> <span class='op'>||</span> <span class='id identifier rubyid_query_string_params'>query_string_params</span><span class='period'>.</span><span class='id identifier rubyid_delete'>delete</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>anchor</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span>
  <span cl