list instead of at the beginning. This change actually occurred in
Emacs 21.1, but was not documented then.
++++
+*** New function `add-to-ordered-list' is like `add-to-list' but
+associates a numeric ordering of each element added to the list.
+
+++
*** New function `copy-tree' makes a copy of a tree.
---
*** The function `insert-string' is now obsolete.
+** Filling changes.
+
++++
+*** In determining an adaptive fill prefix, Emacs now tries the function in
+`adaptive-fill-function' _before_ matching the buffer line against
+`adaptive-fill-regexp' rather than _after_ it.
+
+++
** Atomic change groups.
element, if the last match was on a buffer. `set-match-data'
accepts such a list for restoring the match state.
++++
+*** Functions `match-data' and `set-match-data' now have an optional
+argument `reseat'. When non-nil, all markers in the match data list
+passed to these function will be reseated to point to nowhere, and if
+the value of `reseat' is `evaporate', the markers are put onto the
+free list. Note that no other references to those markers must exist
+if `evaporate' is specified for the `reseat' argument.
+
+++
*** The default value of `sentence-end' is now defined using the new
variable `sentence-end-without-space', which contains such characters