</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_subscription'>subscription</span><span class='lbracket'>[</span><span class='symbol'>:protocol</span><span class='rbracket'>]</span><span class='embexpr_end'>}</span><span class='tstring_content'>::</span><span class='tstring_end'>&quot;</span></span> \
               <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_subscription'>subscription</span><spa