*** `C-x 8 RET' in Isearch mode reads a character by its Unicode name
and adds it to the search string.
++++
*** `M-s i' in Isearch mode toggles whether search matches invisible text.
*** `query-replace' skips invisible text when `search-invisible' is nil,
*** Face specs set via Custom themes now replace the `defface' spec
rather than inheriting from it (as do face specs set via Customize).
+---
*** New face characteristic (supports :underline (:style wave))
specifies whether or not the terminal can display a wavy line.