factor

Author	SHA1	Message	Date
Slava Pestov	e0b074f3a5	Clean up documents.elements a bit, add more tests, add page-elt	2009-02-16 01:03:34 -06:00
Slava Pestov	33c955775b	Add undo/redo to documents	2009-01-28 00:30:30 -06:00