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You are currently using a (micro-) emacs like text editor. Almost
all of its commands are available via the following control keys:

     F1        ...        F4          F5        ...        F8
  +------+------+------+------+    +------+------+------+------+
  |CTRL-s|META-s|  fm  |  nm  |    |  fa  |  na  |CTLX-d|CTRL-a|
  +------+------+------+------+    +------+------+------+------+
  |CTRL-r|META-r|      |  pm  |    |      |  pa  |CTLX-m|CTLX-x|
  +------+------+------+------+    +------+------+------+------+
  SHIFT-F1     ...     SHIFT-F4    SHIFT-F5     ...     SHIFT-F


     F9        ...        F12
  +------+------+------+------+
  |CTRL-.|CTRL-:|META-:|META-.|
  +------+------+------+------+


(SHIFT-DEL = forwdel)
(SHIFT-TAB = realtab)
 
Use quit (Stop) = SHIFT-RET = TAB or CTLX-CTRL-c to terminate input
(in the normal case) and use abort (Undo) = ESC to abort (and
to discard any text modifications).  Furthermore, the micro-emacs
editing modes "w(rap)" around, "e(xact)" search, "v(iew)" readonly,
and "o(ver)" write and the following key bindings are supported:

  CTRL-a (gotobol)     META-l (lowerw)      CTRL-e (gotoeol)
  CTRL-v (forwpage)    META-u (upperw)      CTRL-z (backpage)
  CTRL-n (forwline)    CTRL-o (openline)    CTRL-p (backline)
  CTRL-f (forwchar)    META-g (gotoline)    CTRL-b (backchar)
  CTRL-d (forwdel)     CTRL-k (delline)     CTRL-h (backdel)
  CTRL-s (searchforw)  CTRL-% (sreplace)    CTRL-r (searchback)
  CTRL-w (cut)         META-w (copy)        CTRL-y (paste)
  CTRL-SPACE (mark)    META-z (quit)        CTLX,CTRL-x (swap)  
  META-< (gotobof)     CTLX,CTRL-w (savef)  META-> (gotoeof)
  META-f (forwword)    CTLX,CTRL-i (insf)   META-b (backword)
  META-d (fdelword)    META-c (capword)     META-h (bdelword)
  META-s (searchnext)  META-% (qreplace)    META-r (searchprev)
