Consolidate duplicate entries in RELEASE.md checklist

Author: sadielbartholomew

RELEASE.md

@@ -5,8 +5,9 @@
 * Set the `NEXTVERSION` version marker across the codebase (added in PRs
   to mark the next version where the exact number/name is not yet decided)
   by recursively finding all occurences within the `cf` directory and replacing
-  them with the upcoming version name `X.Y.Z` (replace `X`, `Y` and `Z` with
-  appropriate numbers), via running this command in `cf-python` repo root
+  them with the upcoming version name `X.Y.Z` (replace `X`, `Y` and `Z`
+  appropriately for the value of the now correct `cf.__version__`),
+  via running this command in `cf-python` repo root
   directory (don't run it repo-wide or it will e.g. edit this script!):
 
   ```console
@@ -28,9 +29,6 @@
 * Make sure that `Changelog.rst` is up to date (version, date and
   changes).
 
-* Search for occurences of `NEXTRELEASE` and replace them with the
-  release version (i.e. the value of the now correct `cf.__version__`)
-
 * Deprecated methods and keyword arguments: Check the code for
   deprecated methods and keyword arguments that can be completely
   removed, i.e. those with a ``removed_at`` version that is at or

cf/functions.py

@@ -2036,7 +2036,7 @@ def normalize_slice(index, size, cyclic=False):
     If *index* is not a slice, or *cyclic* is True and *index* is not
     a cyclic slice, then an `IndexError` is raised.
 
-    .. versionadded:: NEXTRELEASE
+    .. versionadded:: 3.16.2
 
     :Parameters: