Has anyone ever seen this before?

I’m trying to manipulate code that will read info and arrange it in a certain way and display to html in a form setting. The existing code looks like this, and I’ve never seen this before. Any idea of what it is so I can move foward with it??

This is the code that goes through, reads the data, and exports it into the correct columns. I have never seen this before though! Any ideas?

[% FOREACH record = rpt_data %]
[% record.date %]
[% record.msg_source %]
[% record.msg_key1 %]
[% record.msg_type %]
[% record.msg_key2 %]
[% record.msg_data %]
[% END %]