sed blindly eats everything beyond w command filename

[Dan Jacobson]

sed blindly eats everything beyond w command filename.
All the parsing rules go down the drain until newline do we part.

0/tmp$ echo wwwww|sed 'w w;w p'
wwwww
1/tmp$ ll w* 
-rw-r--r--    1 jidanni  jidanni         6 02 27 10:36 w;w p

OK, try the {} thingy:

0/tmp$ echo wwwww|sed '{w w};{w p}'
sed: -e expression #1, char 0: Unmatched `{'
1/tmp$ echo wwwww|sed '1{w w};1{w p}'
sed: -e expression #1, char 0: Unmatched `{'
1/tmp$ echo wwwww|sed '1{ w w };1{w p}'
sed: -e expression #1, char 0: Unmatched `{'

same difference, munch munch munch
no token will stop it, only a newline:

0/tmp$ echo wwwww|sed 'w a
> w b'
wwwww
0/tmp$ ls -t1
a
b
w };1{w p}
w};1{w p}
w};{w p}
w;w p

If this is not _bad_ then please at least document it with the w command.
GNU sed version 3.02
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