move django 4 warnings along

Author: hjwp

chapter_14_simple_form.asciidoc

@@ -1,22 +1,14 @@
 [[chapter_14_simple_form]]
 == A Simple Form
 
-.🚧 Warning, this Chapter is the 2e version, and uses Django 1.11
+.🚧 Warning, Chapter update in progress
 *******************************************************************************
-This chapter and all the following ones are the second edition versions,
-so they still use Django 1.11, Python 3.8, and so on.
+This chapter is currently in the process of being rewritten for the 3e.
 
-To follow along with this chapter, it's probably easiest to reset your code
-to match my example code as it was in the 2e, by resetting to:
-https://github.com/hjwp/book-example/tree/chapter_automate_deployment_with_fabric
+The code listings should all be valid,
+and work with Python3.12 + Django 4,
+but I haven't reviewed the chapter text in detail yet.
 
-And you should also probably delete and re-create your virtualenv with
-* Python 3.8 or 3.9
-* and Django 1.11 (`pip install "django <2"`)
-
-Alternatively, you can muddle through and try and figure out
-how to make things work with Django 4 etc, but be aware that
-the listings below won't be quite right.
 *******************************************************************************
 
 

chapter_15_advanced_forms.asciidoc

@@ -2,6 +2,16 @@
 More Advanced Forms 
 -------------------
 
+.🚧 Warning, Chapter update in progress
+*******************************************************************************
+This chapter is currently in the process of being rewritten for the 3e.
+
+The code listings should all be valid,
+and work with Python3.12 + Django 4,
+but I haven't reviewed the chapter text in detail yet.
+
+*******************************************************************************
+
 
 Now let's look at some more advanced forms usage.  We've helped our users
 to avoid blank list items, so now let's help them avoid duplicate items.

chapter_javascript.asciidoc

@@ -9,6 +9,24 @@ his precious gift of relentless misery.
 ______________________________________________________________
 
 
+.🚧 Warning, this Chapter is the 2e version, and uses Django 1.11
+*******************************************************************************
+This chapter and all the following ones are the second edition versions,
+so they still use Django 1.11, Python 3.8, and so on.
+
+To follow along with this chapter, it's probably easiest to reset your code
+to match my example code as it was in the 2e, by resetting to:
+https://github.com/hjwp/book-example/tree/chapter_automate_deployment_with_fabric
+
+And you should also probably delete and re-create your virtualenv with
+* Python 3.8 or 3.9
+* and Django 1.11 (`pip install "django <2"`)
+
+Alternatively, you can muddle through and try and figure out
+how to make things work with Django 4 etc, but be aware that
+the listings below won't be quite right.
+*******************************************************************************
+
 Our new validation logic is good, but wouldn't it be nice if the duplicate item
 error messages disappeared once the user started fixing the problem?  Just like
 our nice HTML5 validation errors do? For that we'd need a teeny-tiny bit of