v7.4.1641 [Aug 11, 2013]
- multi-level undo, syntax highlighting, command line history,
on-line help, spell checking, filename completion, block operations,
v7.3.829 [Jul 20, 2010]
- Persistent undo and undo for reload
- Blowfish encryption, encryption of the swap file
- Conceal text
- Lua interface
- Python 3 interface
