* textmodes/remember.el (remember-region): Doc fix.

* textmodes/remember.el (remember-region): Doc fix.
  (remember-filter-functions, remember-handler-functions)
  (remember-save-after-remembering, remember-mailbox)
  (remember-default-priority, remember-data-file, remember-leader-text)
  (remember-diary-file): Remove * from defcustom docstrings.
  (remember-run-all-annotation-functions-flag)
  (remember-all-handler-functions): Reflow docstrings.
  (remember-store-in-mailbox): Fix typo in docstring.
  (remember-mode): Define with `define-derived-mode'.  Doc fix.