Update to reflect changes in vfscanf.c,v 1.32. Remove bogus

documentation for %a, and document it correctly instead.
s/one of aefg/one of a, e, f, or g/

Reviewed by:	standards@

1 files changed, 14 insertions, 35 deletions

diff --git a/lib/libc/stdio/scanf.3 b/lib/libc/stdio/scanf.3
index a325f37..4b74826 100644
--- a/lib/libc/stdio/scanf.3
+++ b/lib/libc/stdio/scanf.3
@@ -172,7 +172,9 @@ and the next pointer is a pointer to a
 (rather than
 .Vt int ) ,
 that the conversion will be one of
-.Cm aefg
+.Cm a , e , f ,
+or
+.Cm g
 and the next pointer is a pointer to
 .Vt double
 (rather than
@@ -197,15 +199,11 @@ and the next pointer is a pointer to a
 .Vt int ) .
 .It Cm L
 Indicates that the conversion will be one of
-.Cm aef
+.Cm a , e , f ,
 or
 .Cm g
 and the next pointer is a pointer to
 .Vt "long double" .
-(This type is not implemented; although the argument is
-required to be a pointer to
-.Vt "long double" ,
-no additional precision is used in the conversion.)
 .It Cm j
 Indicates that the conversion will be one of
 .Cm dioux
@@ -309,29 +307,16 @@ the next pointer must be a pointer to
 Matches an optionally signed hexadecimal integer;
 the next pointer must be a pointer to
 .Vt "unsigned int" .
-.It Cm e , E , f , F , g , G
-Matches an optionally signed floating-point number;
-the next pointer must be a pointer to
-.Vt float .
-.It Cm a , A
-Matches a hexadecimal number represented in the style
-.Sm off
-.Oo \- Oc Li 0x Ar h Li \&. Ar hhh Cm p Oo \\*[Pm] Oc Ar d .
-.Sm on
-This is an exact conversion of the sign, exponent, mantissa internal
-floating point representation; the
-.Sm off
-.Oo \- Oc Li 0x Ar h Li \&. Ar hhh
-.Sm on
-portion represents exactly the mantissa; only denormalized
-mantissas have a zero value to the left of the hexadecimal
-point.
-The
-.Cm p
-is a literal character
-.Ql p ;
-the exponent is preceded by a positive or negative sign
-and is represented in decimal.
+.It Cm a , A , e , E , f , F , g , G
+Matches a floating-point number in the style of
+.Xr strtod 3 .
+The next pointer must be a pointer to
+.Vt float
+(unless
+.Cm l
+or
+.Cm L
+is specified.)
 .It Cm s
 Matches a sequence of non-white-space characters;
 the next pointer must be a pointer to
@@ -526,12 +511,6 @@ The
 modifiers for positional arguments are not implemented.
 .Pp
 The
-.Cm \&%a
-and
-.Cm \&%A
-floating-point formats are not implemented.
-.Pp
-The
 .Nm
 family of functions do not correctly handle multibyte characters in the
 .Fa format