User-defined code folding has been a long-standing request for Eclipse, but has been deferred repeatedly and is still not in Eclipse 3.2. There is, however, a 3rd party plug-in that provides it: Coffee-Bytes Platform Support.
... 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 :)