>>>usd/11.vitut		in bsd/os-2.1, never in netbsd?
>>>
>>>usd/10.exref		in freebsd-2.2.2...
>>>usd/12.exref		in bsd/os-2.1...
>>>			never anywhere in netbsd??
>>
>>These were probably removed because they were AT&T proprietary or
>>specific to AT&T vi, and nvi provides no replacements.
>
>If the former, they would have been pulled before. Having them in my
>bookcase, I never noticed any AT&T proprietariness in them.

i have the o'reilly books and some of the "chapters" do indeed have
"at&t" copyright messages plopped on top of them, but...

>If the latter, that is no excuse. How am I going to refer people to "An
>Introduction to Display Editing with Vi", "Ex Reference Manual", etc.,
>if they ask me stupid vi questions?

...they are referred to in several places in the man pages.  while
they are legitimate references to actual papers, saying that they
exist in the user's supplementary seems somehow, not quite right.
they are clearly absent.  (see "man ex" excerpt below)

       ``An Introduction to Display Editing with Vi'',  found  in
       the ``UNIX User's Manual Supplementary Documents'' section
       of both the 4.3BSD and 4.4BSD manual sets.  This  document
       is  the  closest thing available to an introduction to the
       vi screen editor.

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