The  block  mark  is  the  most    The block mark is the most
         powerful  editing  feature   of    powerful editing feature of
         PTE.                               PTE.

         With this mark it  is  possible    With this mark it is possible
         to    manipulate    rectangular    to manipulate rectangular
         blocks         of         text.    blocks of text.





         The text within the block may be right or left justified,
         centered, or left-right justified.




                   *123*123*12 United States
                   *123*123*12
                   *123*123*12ce
                   *123*123*12ada
                   *123*123*12land



         The block mark may be used for sorting text in increasing or
         decreasing order. The top line of the block mark may be
         replicated through the whole block.  This greatly reduces the
         amount of redundant typing that has to be done.  The block
         may also be filled in with any string.  In this case '*123'

    Alt-B      specifies diagonal corners of the BLOCK mark.
    Alt-U      UNMARKS any existing mark.
    Alt-D      DELETES existing mark.
    Alt-O      OVERLAYS block on top of existing text.
    Alt-T      TRANSFERS, overlays and fills old position with spaces.
    Alt-M      MOVES existing mark to the cursor position.
    Alt-Z      COPIES existing mark to the cursor position.