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-rw-r--r--usr.bin/col/col.129
1 files changed, 22 insertions, 7 deletions
diff --git a/usr.bin/col/col.1 b/usr.bin/col/col.1
index 9419fe3..fc02ca4 100644
--- a/usr.bin/col/col.1
+++ b/usr.bin/col/col.1
@@ -31,7 +31,7 @@
.\" @(#)col.1 8.1 (Berkeley) 6/29/93
.\" $FreeBSD$
.\"
-.Dd August 4, 2004
+.Dd May 10, 2015
.Dt COL 1
.Os
.Sh NAME
@@ -82,18 +82,33 @@ recognized and interpreted by itself, which are listed below.
Output multiple spaces instead of tabs.
.El
.Pp
-The control sequences for carriage motion that
+In the input stream,
.Nm
-understands and their decimal values are listed in the following
-table:
+understands both the escape sequences of the form escape-digit
+mandated by
+.St -susv2
+and the traditional
+.Bx
+format escape-control-character.
+The control sequences for carriage motion and their ASCII values
+are as follows:
.Pp
.Bl -tag -width "carriage return" -compact
+.It ESC\-BELL
+reverse line feed (escape then bell).
.It ESC\-7
-reverse line feed (escape then 7)
+reverse line feed (escape then 7).
+.It ESC\-BACKSPACE
+half reverse line feed (escape then backspace).
.It ESC\-8
-half reverse line feed (escape then 8)
+half reverse line feed (escape then 8).
+.It ESC\-TAB
+half forward line feed (escape than tab).
.It ESC\-9
-half forward line feed (escape then 9)
+half forward line feed (escape then 9).
+In
+.Fl f
+mode, this sequence may also occur in the output stream.
.It backspace
moves back one column (8); ignored in the first column
.It carriage return
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