fix changelog

Author: affeldt-aist

CHANGELOG_UNRELEASED.md

@@ -93,20 +93,6 @@
   + lemma `is_diff_mx`
   + instance `is_diff_mx`
 
-- in `mathcomp_extra.v`:
-  + lemmas `divDl_ge0`, `divDl_le1`
-  + mixin `Zmodule_isSubNormed`
-  + mixin `isTmp` and structure `SubNormedZmodule_tmp` (temporary kludge)
-
-- in `unstable.v`:
-  + lemmas `divD_onem`
-
-### Changed
-
-- moved from `measurable_structure.v` to `classical_sets.v`:
-  + definition `preimage_set_system`
-  + lemmas `preimage_set_system0`, `preimage_set_systemU`, `preimage_set_system_comp`,
-    `preimage_set_system_id`
 - in `functions.v`:
   + lemmas `linfunP`, `linfun_eqP`
   + instances of `SubLmodule` and `pointedType` on `{linear _->_ | _ }`
@@ -131,9 +117,22 @@
 
 - new files `signed_measure.v` and `radon_nikodym.v`
   + with the contents of `charge.v` (deprecated)
-  
+
+- in `mathcomp_extra.v`:
+  + lemmas `divDl_ge0`, `divDl_le1`
+  + mixin `Zmodule_isSubNormed`
+  + mixin `isTmp` and structure `SubNormedZmodule_tmp` (temporary kludge)
+
+- in `unstable.v`:
+  + lemmas `divD_onem`
+
 ### Changed
 
+- moved from `measurable_structure.v` to `classical_sets.v`:
+  + definition `preimage_set_system`
+  + lemmas `preimage_set_system0`, `preimage_set_systemU`, `preimage_set_system_comp`,
+    `preimage_set_system_id`
+  
 - moved from `measurable_structure.v` to `classical_sets.v`:
   + definition `preimage_set_system`
   + lemmas `preimage_set_system0`, `preimage_set_systemU`, `preimage_set_system_comp`,