Re: sed : * final newline

[Bonzini]

Yes, I know this.  The problem is that this does not affect only `sed :' but 
also `sed
10,$!d' and the like.

> This behaviour also violates POSIX, as it clearly states that:
> "Whenever the pattern space is written to standard output or a named
> file, sed shall immediately follow it with a <newline>."

No, POSIX expects that each line of pattern space is ended by a newline.  
Otherwise
behavior is undefined: HP/UX ignores the line, Solaris appends a new-line etc.

The best would be to turn the flag into a three-state: put new-line after 
(standard),
no new-line, put new-line before (after a line without a new-line has been 
printed).
Might attempt it for 4.1

Paolo