Thanks, that's exactly what it was! That's why the "reply" button was not appear...

yafujifide on Feb 2, 2015 | parent | context | favorite | on: Reddit has shut down its nascent cryptocurrency pr...

Thanks, that's exactly what it was! That's why the "reply" button was not appearing, and I thought I was rate-limited. This very thing happened to your comment - I am replying by visiting the permalink.