The PovClipse editor allows parts of the Povray scene file source code to be "folded away", showing only the very first line of the folded section.
The foldings are indicated using the folding icons and at the left side of the editor's frame. They have toggle behavior, thus clicking the first time folds the section away...
... the second click will reveal the section again, the third click folds it away ...
The foldable sections are also shown at the editor's outline page.
Folded sections can be faded in by putting the mouse over the folding icon and holding it still for
approximately half a second: