IOML – Interactive Outline Markup Language

The format I have been working with now has its official name: Interactive Outline Markup Language. IOML.
The IOML format is an evolutionary step from OPML with some of the structure changed to make using outlines, uh, interactive.
IOML is used to communicate with an Interactive Outline Server. The server I am working on is called CoffeeTalk. [...]

Instant Outlining

I had no idea that Instant Outlining has been around since at least April of 2002. Dave and the team at Userland shipped a version in Radio 8 back then. As always, Dave was ahead of his time.
I first encountered Instant Outlining in August of 2005 when Dave added it to the OPML Editor. I [...]