Update changes

changes-draft.html

@@ -3,7 +3,8 @@
 As in the last version, the list of changes may seem long, but they are in
 fact all rather small changes.  Numbering did not change, and most changes
 are in chapter 6 and 7.  One exercise, 1.5.6, was changed (it was way too hard
-and really unnecessary).  No numbers were changed.
+and really unnecessary).  No numbers were changed.  Pagination changed ever so
+slightly in a couple of places.
 
 <li><b>Exercise 1.5.6 is way too challenging, and the hint is misleading.
   Replace with essentially the alternative from the footnote, and then

changes2-draft.html

@@ -5,7 +5,8 @@
 any new material nor restructuring.  No numbers were changed.  A couple of
 exercises were modified a bit to fix errata, and 3 exercises were added to
 10.3 to address part of the exposition that was perhaps a bit too quick in
-10.5 and could have really been done in exercises.
+10.5 and could have really been done in exercises.  Pagination has changed
+very slightly in a few places.
 
 <li>The word "symmetric" as used for a dot product is in the index.
 <li>Define properly that the span of the empty set is \(\{0\}.\)