pport for them without needing to reverse engineer the extension data. Popular extensions may also be incorporated as standardized features in future revisions of this specification.</p>
  <div class="note" id="issue-container-generatedID-1"><div role="heading" class="ednote-title marker" id="h-ednote-1" aria-level="4"><span>Editor's note</span><span class="issue-label">: Extensions section</span></div><p class="">
    The extensions section is not limited to vendors. All token users can add additional data