(remove-hook 'riece-after-insert-functions 'riece-url-scan-region)
(remove-hook 'riece-command-mode-hook
'riece-url-command-mode-hook))
(remove-hook 'riece-after-insert-functions 'riece-url-scan-region)
(remove-hook 'riece-command-mode-hook
'riece-url-command-mode-hook))