# 2.11BSD#431 - /usr/man/cat1/vi.0

    VI(1)		    UNIX Programmer's Manual		    VI(1)

    NAME
         vi - screen oriented (visual) display editor based on ex

    SYNOPSIS
         vi [ -t tag ] [ -r ] [ +command ] [ -l ] [ -wn ] name ...

    DESCRIPTION
         Vi (visual) is a display oriented text editor based on
         ex(1).  Ex and vi run the same code; it is possible to get
         to the command mode of ex from within vi and vice-versa.

         The Vi Quick Reference card and the Introduction to Display
         Editing with Vi provide full details on using vi.

    FILES
         See ex(1).

    SEE ALSO
         ex (1), edit (1), ``Vi Quick Reference'' card, ``An Intro-
         duction to Display Editing with Vi''.

    AUTHOR
         William Joy
         Mark Horton added macros to visual mode and is maintaining
         version 3

    BUGS
         Software tabs using ^T work only immediately after the
         autoindent.

         Left and right shifts on intelligent terminals don't make
         use of insert and delete character operations in the termi-
         nal.

         The wrapmargin option can be fooled since it looks at output
         columns when blanks are typed.  If a long word passes
         through the margin and onto the next line without a break,
         then the line won't be broken.

         Insert/delete within a line can be slow if tabs are present
         on intelligent terminals, since the terminals need help in
         doing this correctly.

         Saving text on deletes in the named buffers is somewhat
         inefficient.

         The source command does not work when executed as :source;
         there is no way to use the :append, :change, and :insert
         commands, since it is not possible to give more than one
         line of input to a : escape.  To use these on a :global you
         must Q to ex command mode, execute them, and then reenter
         the screen editor with vi or open.

    Printed 11/26/99	 April 29, 1985                         1

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