What do macros decode to?

[maiki]

@ganncamp

I’m struggling to find where these value are set.

It is not apparent to me, either! Fortunately someone referred to that exact macro before:

@meglio

Now, there is a key in Transifex named system_messages.usage_tips.text_body_template. Its content is pushed into the above to replaced the %{new_user_tips}.

As for where it is used, /admin/customize/site_texts?locale=en&q=%25{new_user_tips} shows a few templates:

I’ve never seen another macro that pull into the content from another content template in Discourse.