Ceteva's XMF is a container language that glues together code fragments written in many different languages, in a style reminiscent of C ASM blocks. It is hard to pin down the target application of XMF. The core language contains more than glue. "Undo" is a native concept, and there appears to be a sizable core library. The documentation emphasizes language-oriented programming and meta-modelling. Many language constructs are available to define DSLs.
... until the collector arrives ...
This "blog" is really just a scratchpad of mine. There is not much of general interest here. Most of the content is scribbled down "live" as I discover things I want to remember. I rarely go back to correct mistakes in older entries. You have been warned :)