rpmatch.3: clarify availability to glibc, Fx, and AIX

"On a few other systems" is misleading, implying that it's available on
/this/ system; this is not strictly true, seeing as musl doesn't have it

Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

diff --git a/man3/rpmatch.3 b/man3/rpmatch.3
index 1f9732e3fa03c0ea64080bc50dd51394e61c0a4e..39e3926d70d4e4b7dc6f18c1eb947f69f2c05c3a 100644 (file)
--- a/man3/rpmatch.3
+++ b/man3/rpmatch.3
@@ -120,9 +120,8 @@ T}  Thread safety   MT-Safe locale
 .sp 1
 .SH CONFORMING TO
 .BR rpmatch ()
-is not required by any standard, but
-is available on a few other systems.
-.\" It is available on at least AIX 5.1 and FreeBSD 6.0.
+is not required by any standard,
+but available under the GNU C library, FreeBSD, and AIX.
 .SH BUGS
 The
 .BR YESEXPR " and " NOEXPR