Clarify this arrangement a bit.

UNLICENSE

@@ -3,7 +3,9 @@ Dipple are in the public domain, as described in the following Unlicense.
 
 Note that all programs which contain example code taken from blogs or
 "recipe" websites should be assumed to NOT be in the public domain unless
-the blog or website specifically says that it is.
+the blog or website specifically says that it is.  However, the fourth
+paragraph (the one in all capitals) of this Unlicense still applies to these
+sources.
 
 -----------------------------------------------------------------------------
 

python/mkstemp.py

@@ -1,6 +1,8 @@
 #!/usr/bin/env python
 # A gotcha with mkstemp: see e.g. http://www.logilab.org/blogentry/17873
 
+# Contains code from a blog, and is therefore not in the public domain.
+
 import os
 from tempfile import mkstemp
 

python/pretty_print_json_hack.sh

@@ -3,4 +3,6 @@
 # pipe JSON into this to pretty-print it.
 # see: http://stackoverflow.com/questions/352098/how-to-pretty-print-json-script
 
+# Contains code from a website, and is therefore not in the public domain.
+
 python -mjson.tool

python/simple_webserver_hack.sh

@@ -3,4 +3,6 @@
 # starts a simple webserver for the current directory on interface 0.0.0.0 port 8000 
 # see http://www.linuxjournal.com/content/tech-tip-really-simple-http-server-python
 
+# Contains code from a blog, and is therefore not in the public domain.
+
 python -m SimpleHTTPServer

python/xml_to_yaml.py

@@ -4,6 +4,8 @@
 # equivalent yaml file.  Big problem: embedded HTML; it throws away most of it.
 # Secondary problem: requires an extra top-level <root></root> element.
 
+# Contains code from a website, and is therefore not in the public domain.
+
 import sys
 
 # easy_install PyYaml