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add command turn-on-fci-mode-with-column #43

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add command turn-on-fci-mode-with-column #43

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20 changes: 20 additions & 0 deletions fill-column-indicator.el
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Original file line number Diff line number Diff line change
Expand Up @@ -481,6 +481,26 @@ on troubleshooting.)"
(interactive)
(fci-mode 1))

;;;###autoload
(defun turn-on-fci-mode-with-column (&optional column)
"Turn on fci-mode with setting `fci-rule-column' unconditionally."
(interactive
(list (read-string (format "Column (%s): "
(or fci-rule-column fill-column))
nil nil fci-rule-column)))
(when (stringp column)
(setq column (cond ((string= column "")
nil)
((string-match "\\`[0-9]+\\'" column)
(string-to-number column))
(t
column))))
(if (and column
(not (fci-posint-p column)))
(message "Column is not a interger.")
(setq fci-rule-column column)
(fci-mode 1)))

(defun turn-off-fci-mode ()
"Turn off fci-mode unconditionally."
(interactive)
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