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1.1       root        1: .TH VI 1 "2 December 1979"
                      2: .UC
                      3: .SH NAME
                      4: vi \- screen oriented (visual) display editor based on ex
                      5: .SH SYNOPSIS
                      6: .B vi
                      7: [
                      8: .B \-t
                      9: tag
                     10: ] [
                     11: .B \-r
                     12: ] [
                     13: \fB+\fR\fIcommand\fR
                     14: ] [
                     15: .B \-l
                     16: ] [
                     17: \fB\-w\fIn\fR
                     18: ]
                     19: name ...
                     20: .SH DESCRIPTION
                     21: .I Vi
                     22: (visual) is a display oriented text editor based on
                     23: .IR ex (1).
                     24: .I Ex
                     25: and
                     26: .I vi
                     27: run the same code; it is possible to get to
                     28: the command mode of
                     29: .I ex
                     30: from within
                     31: .I vi
                     32: and vice-versa.
                     33: .PP
                     34: The
                     35: .I "Vi Quick Reference"
                     36: card and the
                     37: .I "Introduction to Display Editing with Vi"
                     38: provide full details on using
                     39: .I vi.
                     40: .SH FILES
                     41: See
                     42: .IR ex (1).
                     43: .SH SEE ALSO
                     44: ex (1), edit (1), ``Vi Quick Reference'' card,
                     45: ``An Introduction to Display Editing with Vi''.
                     46: .SH AUTHOR
                     47: William Joy
                     48: .br
                     49: Mark Horton added macros to \fIvisual\fR mode and is maintaining version 3
                     50: .SH BUGS
                     51: Software tabs using \fB^T\fR work only immediately after the
                     52: .I autoindent.
                     53: .PP
                     54: Left and right shifts on intelligent terminals don't make use of
                     55: insert and delete character operations in the terminal.
                     56: .PP
                     57: The
                     58: .I wrapmargin
                     59: option can be fooled since it looks at output columns when blanks are typed.
                     60: If a long word passes through the margin and onto the next line without a 
                     61: break, then the line won't be broken.
                     62: .PP
                     63: Insert/delete within a line can be slow if tabs are present on intelligent
                     64: terminals, since the terminals need help in doing this correctly.
                     65: .PP
                     66: Saving text on deletes in the named buffers is somewhat inefficient.
                     67: .PP
                     68: The
                     69: .I source
                     70: command does not work when executed as \fB:source\fR;
                     71: there is no way to use the \fB:append\fR, \fB:change\fR,
                     72: and \fB:insert\fR commands, since it is not possible to give
                     73: more than one line of input to a \fB:\fR escape.  To use these
                     74: on a \fB:global\fR you must \fBQ\fR to \fIex\fR command mode,
                     75: execute them, and then reenter the screen editor with
                     76: .I vi
                     77: or
                     78: .I open.

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