From b0b8181622da1df14de1ccadbfc0fc8e697f8748 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Fri, 3 Jan 1997 19:20:52 +0000
Subject: Added unsigned data formats (B, H, I, L).

---
 Doc/lib/libarray.tex | 9 ++++++++-
 Doc/libarray.tex     | 9 ++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/Doc/lib/libarray.tex b/Doc/lib/libarray.tex
index 8122f49..1b028b3 100644
--- a/Doc/lib/libarray.tex
+++ b/Doc/lib/libarray.tex
@@ -12,16 +12,23 @@ which is a single character.  The following type codes are defined:
 \begin{tableiii}{|c|c|c|}{code}{Typecode}{Type}{Minimal size in bytes}
 \lineiii{'c'}{character}{1}
 \lineiii{'b'}{signed integer}{1}
+\lineiii{'B'}{unsigned integer}{1}
 \lineiii{'h'}{signed integer}{2}
+\lineiii{'H'}{unsigned integer}{2}
 \lineiii{'i'}{signed integer}{2}
+\lineiii{'I'}{unsigned integer}{2}
 \lineiii{'l'}{signed integer}{4}
+\lineiii{'L'}{unsigned integer}{4}
 \lineiii{'f'}{floating point}{4}
 \lineiii{'d'}{floating point}{8}
 \end{tableiii}
 
 The actual representation of values is determined by the machine
 architecture (strictly speaking, by the C implementation).  The actual
-size can be accessed through the \var{itemsize} attribute.
+size can be accessed through the \var{itemsize} attribute.  The values
+stored  for \code{'L'} and \code{'I'} items will be represented as
+Python long integers when retrieved, because Python's plain integer
+type can't represent the full range of C's unsigned (long) integers.
 
 See also built-in module \code{struct}.
 \bimodindex{struct}
diff --git a/Doc/libarray.tex b/Doc/libarray.tex
index 8122f49..1b028b3 100644
--- a/Doc/libarray.tex
+++ b/Doc/libarray.tex
@@ -12,16 +12,23 @@ which is a single character.  The following type codes are defined:
 \begin{tableiii}{|c|c|c|}{code}{Typecode}{Type}{Minimal size in bytes}
 \lineiii{'c'}{character}{1}
 \lineiii{'b'}{signed integer}{1}
+\lineiii{'B'}{unsigned integer}{1}
 \lineiii{'h'}{signed integer}{2}
+\lineiii{'H'}{unsigned integer}{2}
 \lineiii{'i'}{signed integer}{2}
+\lineiii{'I'}{unsigned integer}{2}
 \lineiii{'l'}{signed integer}{4}
+\lineiii{'L'}{unsigned integer}{4}
 \lineiii{'f'}{floating point}{4}
 \lineiii{'d'}{floating point}{8}
 \end{tableiii}
 
 The actual representation of values is determined by the machine
 architecture (strictly speaking, by the C implementation).  The actual
-size can be accessed through the \var{itemsize} attribute.
+size can be accessed through the \var{itemsize} attribute.  The values
+stored  for \code{'L'} and \code{'I'} items will be represented as
+Python long integers when retrieved, because Python's plain integer
+type can't represent the full range of C's unsigned (long) integers.
 
 See also built-in module \code{struct}.
 \bimodindex{struct}
-- 
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