* a-reatim.ads: Minor reformatting

From-SVN: r46664

gcc/ada/ChangeLog

 2001-10-30  Robert Dewar <dewar@gnat.com>
 
+	* a-reatim.ads: Minor reformatting
+
+2001-10-30  Robert Dewar <dewar@gnat.com>
+
 	* gnatdll.adb: Minor reformatting throughout. Many ??? added for 
 	undocumented declarations.
 

gcc/ada/a-reatim.ads

@@ -88,9 +88,10 @@ package Ada.Real_Time is
    function Microseconds (US : Integer) return Time_Span;
    function Milliseconds (MS : Integer) return Time_Span;
 
-   --  With duration represented as a 64-bit number with a delta of
-   --  10 ** (-9), the number of seconds in Duration'Last does not fit
-   --  in 32 bits.
+   --  Seconds_Count needs 64 bits, since Time has the full range of
+   --  Duration. The delta of Duration is 10 ** (-9), so the maximum
+   --  number of seconds is 2**63/10**9 = 8*10**9 which does not quite
+   --  fit in 32 bits.
 
    type Seconds_Count is range -2 ** 63 .. 2 ** 63 - 1;