It doesn't need to be called "Markdown" to justify what they've invested their time in over the last few years. Changing to a non-Markdown name doesn't invalida

It doesn't need to be called "Markdown" to justify what they've invested their time in over the last few years. Changing to a non-Markdown name doesn't invalidate their 2-year effort of creating a spec, unit tests and implementation of a human-readable text format that can be rendered as HTML. A name change doesn't change the fundamental and substantial part of their work.