Note that the values are ints.

gvanrossum · gvanrossum · commit 91f87ca69b02 · 1996-07-30T20:45:45.000Z
diff --git a/Doc/lib/liberrno.tex b/Doc/lib/liberrno.tex
@@ -4,6 +4,7 @@ \section{Standard Module \sectcode{errno}}
 \renewcommand{\indexsubitem}{E(in module errno)}
 
 This module makes available standard errno system symbols.
+The value of each symbol is the corresponding integer value.
 The names and descriptions are borrowed from linux/include/errno.h,
 which should be pretty all-inclusive.  Of the following list, symbols
 that are not used on the current platform are not defined by the
diff --git a/Doc/liberrno.tex b/Doc/liberrno.tex
@@ -4,6 +4,7 @@ \section{Standard Module \sectcode{errno}}
 \renewcommand{\indexsubitem}{E(in module errno)}
 
 This module makes available standard errno system symbols.
+The value of each symbol is the corresponding integer value.
 The names and descriptions are borrowed from linux/include/errno.h,
 which should be pretty all-inclusive.  Of the following list, symbols
 that are not used on the current platform are not defined by the
