Index: branches/FACT++_scripts_refactoring/explicit_changelog
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--- branches/FACT++_scripts_refactoring/explicit_changelog	(revision 18234)
+++ branches/FACT++_scripts_refactoring/explicit_changelog	(revision 18239)
@@ -166,2 +166,17 @@
 
 # ----------------------------------------------------------------------
+
+Okay so I looked at CheckUnderflow.js. It was a pretty large mess, Which I broke up into
+11 separate functions, none of them longer than one page. 
+But there was no possibility to reuse anything. So the code in total got larger.
+Well, we will see if there is any possibility to reuse later, when refactoring is done.
+
+At least, I could imagine, that some of the function would in principle be testable,
+while I have no idea, how to test anything, which is dim dependent, without the overhead 
+of writing a total mock up.
+
+Next up is: Statup.js, because this uses CheckUnderflow.
+
+Then I will look at all these handlers. Let's see.
+
+# ----------------------------------------------------------------------