diff --git a/specification/ch_2.xml b/specification/ch_2.xml
index d8e9c44..620b06e 100644
--- a/specification/ch_2.xml
+++ b/specification/ch_2.xml
@@ -2827,7 +2827,6 @@ xml:id="dbdoclet.50655240_pgfId-1156194">
bits set to 1.
, is undefined for all vector elements.
-
Decimal Floating-Point
(ISO TR 24732 Support)
The decimal floating-point data type is used to specify variables
@@ -2925,7 +2924,6 @@ xml:id="dbdoclet.50655240_pgfId-1156194">
-
IBM EXTENDED
PRECISION
@@ -2986,7 +2984,6 @@ xml:id="dbdoclet.50655240_pgfId-1156194">
-
IEEE BINARY 128 QUADRUPLE
PRECISION
@@ -3100,14 +3097,12 @@ xml:id="dbdoclet.50655240_pgfId-1156194">
-
IBM EXTENDED PRECISION && IEEE BINARY 128 QUADRUPLE
PRECISION
Availability of the long double data type is subject to
conformance to a long double standard where the IBM EXTENDED PRECISION
format and the IEEE BINARY 128 QUADRUPLE PRECISION format are mutually
exclusive.
-
IEEE BINARY 128 QUADRUPLE
PRECISION || IBM EXTENDED PRECISION
This ABI provides the following choices for implementation of
@@ -3136,6 +3131,33 @@ xml:id="dbdoclet.50655240_pgfId-1156194">
long double ISO C type. However, this is not part of the C
standard.
+
+ This implementation differs from the IEEE 754
+ Standard in the following ways:
+
+
+ The software support is restricted to
+ round-to-nearest mode. Programs that use extended
+ precision must ensure that this rounding mode is
+ in effect when extended-precision calculations are
+ performed.
+
+
+ This implementation does not fully support
+ the IEEE special numbers NaN and INF. These values
+ are encoded in the high-order double value
+ only. The low-order value is not significant, but
+ the low-order value of an infinity must be
+ positive or negative zero.
+
+
+ This implementation does not support the
+ IEEE status flags for overflow, underflow, and
+ other conditions. These flags have no meaning in
+ this format.
+
+
+
@@ -3178,9 +3200,10 @@ xml:id="dbdoclet.50655240_pgfId-1156194">
- This implementation differs from the IEEE 754 Standard in the
+ This implementation differs from
+ the IEEE 754 Standard in the
following ways:
-
+
The software support is restricted to round-to-nearest mode.
Programs that use extended precision must ensure that this rounding