The default `crm-separator' has been changed to allow surrounding spaces
around the comma.
----
++++
*** The `common-substring' argument of `display-completion-list',
which has been documented as obsolete since Emacs 23.1, is now _really_
-obsolete, and no longer advertised. Instead use either
-`completion-all-completions', which returns highlighted strings (including
-for partial or substring completion), or call `completion-hilit-commonality'
-to add the highlight.
+obsolete, and no longer advertised. Instead either call
+`completion-hilit-commonality' to add the highlighting; or use
+`completion-all-completions', which returns highlighted strings.
+++
*** New function `completion-table-with-cache' is a wrapper for