Fixed input iterator requirements. For a == b a++ == b++ is no longer

required. See 24.1.1/3 for details. (Thomas Witt)


[SVN r13716]

libs/iterator

@@ -1 +1 @@
-Subproject commit fdd1601ba4064593fe5765fd1332bd95fed4ad6e
+Subproject commit 3844edc4bffc63dd2561a4324c392a1ca7de90ec