ridiculousfish/HexFiend — pull request #3 by sutes (2011-12-23 01:00:19+00:00)
Title: Added read-only mode which privileged files now start in

Also:

1. Fixed a memory leak in [HFFileReference writeBytes.]
2. Changed key equivalent for overwrite mode to something that doesn't clash.
3. Fixed it so that character and block devices will not allow you to be in insert mode.