The 'C-x x' keymap now holds keystrokes for various buffer-oriented
commands. The new keystrokes are 'C-x x g' ('revert-buffer'),
'C-x x r' ('rename-buffer'), 'C-x x u' ('rename-uniquely'), 'C-x x n'
-('clone-buffer'), 'C-x x i' ('insert-buffer') and 'C-x x t'
-('toggle-truncate-lines').
+('clone-buffer'), 'C-x x i' ('insert-buffer'), 'C-x x t'
+('toggle-truncate-lines') and 'C-x x f' ('font-lock-update').
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** Commands 'set-frame-width' and 'set-frame-height' can now get their
** The 'M-o M-o' global binding has been removed.
Use 'M-x font-lock-fontify-block' instead, or the new 'C-x x f'
-command, which toggles fontification in the current buffer.
+command, which updates the syntax highlighting in the current buffer.
** In 'f90-mode', the backslash character ('\') no longer escapes.
For about a decade, the backslash character has no longer had a