Import xz 5.2.2 (as of svn r86089)

debug/README

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+
+Debug tools
+-----------
+
+    This directory contains a few tiny programs that may be helpful when
+    debugging XZ Utils.
+
+    These tools are not meant to be installed. Often one needs to edit
+    the source code a little to make the programs do the wanted things.
+    If you don't know how these programs could help you, it is likely
+    that they really are useless to you.
+
+    These aren't intended to be used as example programs. They take some
+    shortcuts here and there, which correct programs should not do. Many
+    possible errors (especially I/O errors) are ignored. Don't report
+    bugs or send patches to fix this kind of bugs.
+