[] (0) Allow implementations to use other IEEE rounding modes if real…

…ly necessary. git-svn-id: http://svn.whatwg.org/webapps@1967 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Jul 31, 2008 · 7337b93 · 7337b93
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diff --git a/index b/index
@@ -22417,7 +22417,7 @@ XXXDVT (also check for '- -' bits in the part above) -->
    JavaScript's ToNumber algorithm, and if the result is a NaN value, then
    the value be must converted to zero. If the result is less than 0, it must
    be clamped to zero. If the result is more than 255, it must be clamped to
-   255. If the number is not an integer, it must be rounded to the nearest
+   255. If the number is not an integer, it should be rounded to the nearest
    integer using the IEEE 754r <i>convertToIntegerTiesToEven</i> rounding
    mode. <a href="#refsECMA262">[ECMA262]</a> <a
    href="#refsIEEE754r">[IEEE754R]</a>

diff --git a/source b/source
@@ -19729,9 +19729,9 @@ XXXDVT (also check for '- -' bits in the part above) -->
   the result is a NaN value, then the value be must converted to
   zero. If the result is less than 0, it must be clamped to zero. If
   the result is more than 255, it must be clamped to 255. If the
-  number is not an integer, it must be rounded to the nearest integer
-  using the IEEE 754r <i>convertToIntegerTiesToEven</i> rounding mode.  <a
-  href="#refsECMA262">[ECMA262]</a> <a
+  number is not an integer, it should be rounded to the nearest
+  integer using the IEEE 754r <i>convertToIntegerTiesToEven</i>
+  rounding mode.  <a href="#refsECMA262">[ECMA262]</a> <a
   href="#refsIEEE754r">[IEEE754R]</a></p>
 
   <p class="note">The width and height (<var title="">w</var> and <var