🚀 go-pugleaf

Hello.  I'm interested in characterizing the sorts of damage that the
existing electronic mail systems can do to mail as they move it about.
To start the ball rolling, I'll give a few examples.  First, the mail
command that comes with most Unix systems:

	1. Any occurrence of the string "\nFrom " has '>' inserted before
		the 'F'.
	2. If the string "\n.\n" occurs, the tail end of the file (starting
		at the '.') is discarded.

In addition, I know of mailers that do the following:

	3. High-order bits are turned off (or set to parity).
	4. Null bytes are dropped.
	5. If a backspace occurs, it and the preceding character are deleted.
	6. ASCII tabs are expanded to some number of spaces.

Can you add to the list?

-- 
John Chambers <{adelie,ima,maynard,mit-eddie}!minya!{jc,root}> (617/484-6393)