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-rw-r--r--manual/arith.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/manual/arith.texi b/manual/arith.texi
index 23b93736ac..dc3c367d49 100644
--- a/manual/arith.texi
+++ b/manual/arith.texi
@@ -110,7 +110,9 @@ minimum possible values for each integer data type.  The macro names
 follow these examples: @code{INT32_MAX}, @code{UINT8_MAX},
 @code{INT_FAST32_MIN}, @code{INT_LEAST64_MIN}, @code{UINTMAX_MAX},
 @code{INTMAX_MAX}, @code{INTMAX_MIN}.  Note that there are no macros for
-unsigned integer minima.  These are always zero.
+unsigned integer minima.  These are always zero.  Similiarly, there
+are macros such as @code{INTMAX_WIDTH} for the width of these types.
+Those macros for integer type widths come from TS 18661-1:2014.
 @cindex maximum possible integer
 @cindex minimum possible integer