<template name="post_body">
  <div class="post-body markdown">{{{htmlBody}}}</div>
</template>
<template name="post_body">
  <div class="post-body markdown" aria-live="polite">{{{htmlBody}}}</div>
</template>
Set aria-live on post bodies so they're read automatically when viewed.
Set aria-live on post bodies so they're read automatically when viewed.
