[src/trunk]: src/lib/libutil Clarify the history and add proper attribution.

[fair <fair%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8770ca09dc90
branches:  trunk
changeset: 769173:8770ca09dc90
user:      fair <fair%NetBSD.org@localhost>
date:      Thu Sep 01 23:13:16 2011 +0000

description:
Clarify the history and add proper attribution.

diffstat:

 lib/libutil/strpct.3 |  15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)

diffs (48 lines):

diff -r cf30877338f4 -r 8770ca09dc90 lib/libutil/strpct.3
--- a/lib/libutil/strpct.3      Thu Sep 01 22:35:17 2011 +0000
+++ b/lib/libutil/strpct.3      Thu Sep 01 23:13:16 2011 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: strpct.3,v 1.2 2011/08/28 17:21:28 wiz Exp $
+.\" $NetBSD: strpct.3,v 1.3 2011/09/01 23:13:16 fair Exp $
 .\"
 .\" Copyright (c) 2011 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -26,7 +26,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd August 28, 2011
+.Dd September 1, 2011
 .Dt STRPCT 3
 .Os
 .Sh NAME
@@ -46,7 +46,8 @@
 and
 .Fa denominator
 into a percentage representation with given number of digits of
-.Fa precision .
+.Fa precision
+without using floating point arithmetic.
 .Sh RETURN VALUES
 .Fn strpct
 always returns a pointer to a NUL-terminated formatted string which
@@ -67,7 +68,9 @@
 .Sh HISTORY
 .Fn strpct
 was originally implemented in
-.Xr csh 1 .
+.Xr csh 1
+for
+.Nx 1.3 .
 It printed into a static buffer, was not locale aware, handled
 .Ft unsigned long
 numbers, and printed a
@@ -79,5 +82,7 @@
 .Xr time 1
 started using it.
 .Fn strpct
-appeared in
+appeared separately in libutil for
 .Nx 6.0 .
+.Sh AUTHORS
+.An Erik E. Fair Aq fair%netbsd.org@localhost