git: 9242934b6fbf - stable/13 - erf.3: Add a STANDARDS section

The branch stable/13 has been updated by gbe:

URL: https://cgit.FreeBSD.org/src/commit/?id=9242934b6fbf00fc5cb1f161c0c7d60a3ba3ec4d

commit 9242934b6fbf00fc5cb1f161c0c7d60a3ba3ec4d
Author:     Gordon Bergling <gbe@FreeBSD.org>
AuthorDate: 2024-06-23 10:50:47 +0000
Commit:     Gordon Bergling <gbe@FreeBSD.org>
CommitDate: 2024-06-30 05:31:52 +0000

    erf.3: Add a STANDARDS section
    
    Add a STANDARDS section for the erf(3) manual page.
    
    PR:     273413
    Reviewed by:    pauamma_gundo.com
    Differential Revision:  https://reviews.freebsd.org/D44140
    
    (cherry picked from commit 16c3d7e1fa150ee136b910448cf431e8deab5293)
---
 lib/msun/man/erf.3 | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/lib/msun/man/erf.3 b/lib/msun/man/erf.3
index e0771863cca1..8d66017ed11c 100644
--- a/lib/msun/man/erf.3
+++ b/lib/msun/man/erf.3
@@ -25,9 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     from: @(#)erf.3	6.4 (Berkeley) 4/20/91
-.\"
-.Dd July 13, 2014
+.Dd June 23, 2024
 .Dt ERF 3
 .Os
 .Sh NAME
@@ -88,6 +86,17 @@ subtracts the result of the error function
 from 1.0.
 .Sh SEE ALSO
 .Xr math 3
+.Sh STANDARDS
+The
+.Fn erf ,
+.Fn erff ,
+.Fn erfl ,
+.Fn erfc ,
+.Fn erfcf
+and
+.Fn erfcl
+functions conform to
+.St -isoC-99 .
 .Sh HISTORY
 The
 .Fn erf