fortran-tab-mode-string

fortran-tab-mode-string is a variable defined in `fortran.el'.
Its value is shown below.

• This variable may be risky if used as a file-local variable.

Documentation:
String to appear in mode line in TAB format buffers.
See Info node `(emacs)ForIndent Cont'.

You can customize this variable.

Value:

#("/t" 0 2
  (local-map
   (keymap
    (mode-line keymap
	       (mouse-1 lambda nil
			(interactive)
			(describe-variable 'fortran-tab-mode-string))))
   mouse-face mode-line-highlight help-echo "This buffer is in Fortran TAB mode"))