diff --git a/abi.html b/abi.html
index b2df8ab..5f12131 100644
--- a/abi.html
+++ b/abi.html
@@ -612,6 +612,13 @@
References herein to the "C++ Standard," or to just the "Standard,"
are to this document.
+
+
[N1169]
+The Programming languages - C - Extensions to support embedded processors,
+ISO/IEC JTC1 SC22 WG14 N1169.
+This document describes extentions to the C language for supporting embedded
+processors, notably including support for fixed point arithmetic.
+
@@ -5136,7 +5143,17 @@
::= Da # auto
::= Dc # decltype(auto)
::= Dn # std::nullptr_t (i.e., decltype(nullptr))
+ ::= [DS] DA # N1169 fixed-point [_Sat] T _Accum
+ ::= [DS] DR # N1169 fixed-point [_Sat] T _Fract
::= u <source-name> [<template-args>] # vendor extended type
+
+ <fixed-point-size>
+ ::= s # short
+ ::= t # unsigned short
+ ::= i # plain
+ ::= j # unsigned
+ ::= l # long
+ ::= m # unsigned long