Document a detail in the present syntax of "ps -o foo=bar". Now

the header title string "bar" extends to the end of the argument
even if it contains commas or spaces, unlike in RELENG_4 or earlier.
The modern syntax agrees with SUSv3.

MFC after:	3 days

1 files changed, 7 insertions, 6 deletions

diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index 585113b..2575929 100644
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -29,7 +29,7 @@
 .\"     @(#)ps.1	8.3 (Berkeley) 4/18/94
 .\" $FreeBSD$
 .\"
-.Dd March 20, 2005
+.Dd August 18, 2006
 .Dt PS 1
 .Os
 .Sh NAME
@@ -179,14 +179,15 @@ the standard header.
 .It Fl o
 Display information associated with the space or comma separated
 list of keywords specified.
-Multiple keywords may also be given in the form of more than one
-.Fl o
-option.
-Keywords may be appended with an equals
+The last keyword in the list may be appended with an equals
 .Pq Ql =
-sign and a string.
+sign and a string spanning the rest of the argument.
 This causes the printed header to use the specified string instead of
 the standard header.
+Multiple keywords may also be given in the form of more than one
+.Fl o
+option.
+So the header texts for multiple keywords can be changed.
 If all keywords have empty header texts, no header line is written.
 .It Fl p
 Display information about processes which match the specified process IDs.