# File lib/maruku/ext/math/to_html.rb, line 149 def to_html_eqref unless eq = self.doc.eqid2eq[self.eqid] maruku_error "Cannot find equation #{self.eqid.inspect}" return xtext("(eq:#{self.eqid})") end a = xelem('a') a['class'] = 'maruku-eqref' a['href'] = "#eq:#{self.eqid}" a << xtext("(#{eq.num})") a end