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D42106.diff
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D42106.diff

diff --git a/usr.bin/column/column.1 b/usr.bin/column/column.1
--- a/usr.bin/column/column.1
+++ b/usr.bin/column/column.1
@@ -28,7 +28,7 @@
.\" @(#)column.1 8.1 (Berkeley) 6/6/93
.\" $FreeBSD$
.\"
-.Dd July 29, 2004
+.Dd February 22, 2019
.Dt COLUMN 1
.Os
.Sh NAME
@@ -44,7 +44,7 @@
The
.Nm
utility formats its input into multiple columns.
-Rows are filled before columns.
+Columns are filled before rows.
Input is taken from
.Ar file
operands, or, by default, from the standard input.
@@ -68,7 +68,7 @@
option.
Useful for pretty-printing displays.
.It Fl x
-Fill columns before filling rows.
+Fill rows before filling columns.
.El
.Sh ENVIRONMENT
The
@@ -95,6 +95,16 @@
.Nm
command appeared in
.Bx 4.3 Reno .
+.Sh CAVEATS
+Historical versions of
+.Nm
+indicated that "rows are filled before columns" by default, and that the
+.Fl x
+option reverses this. This wording did not reflect the actual behavior, and
+it has since been corrected (see above). Other implementations of
+.Nm
+may continue to use the older documentation, but the behavior should be
+identical in any case.
.Sh BUGS
Input lines are limited to
.Dv LINE_MAX

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