Clarify a comment in errno2.h

diff --git a/win32/include/sys/errno2.h b/win32/include/sys/errno2.h
index c2d46fb..9a38624 100644 (file)
--- a/win32/include/sys/errno2.h
+++ b/win32/include/sys/errno2.h
@@ -120,7 +120,8 @@
 
 /* ENAMETOOLONG is a standard errno.h value */
 
-/* EHOSTDOWN is not an errno.h value at all (on Windows, anyway) */
+/* EHOSTDOWN is not in errno.h and despite being wanted by POSIX.pm we cannot
+ * provide any sane value since there is no WSAEHOSTDOWN */
 
 #ifndef EHOSTUNREACH           /* New in VC10 */
 #  define EHOSTUNREACH         WSAEHOSTUNREACH