code: function restoreExpr(html, pcex) {
    if (pcex.length) {
      html = html
        .replace(/\u0001(\d+)/g, function (_, d) {
          var expr = pcex[d]
          if (expr[0] === '=') {
            expr = expr.replace(brackets.R_STRINGS, function (qs) {
              return qs //.replace(/&/g, '&amp;') // I don't know if this make sense
                .replace(/</g, '&lt;')
                .replace(/>/g, '&gt;')
            })
          }
          return pcex._bp[0] + expr.replace(/"/g, '\u2057')
        })
    }
    return html
  }
docs: Restores expressions hidden by splitHtml and escape literal internal brackets