7.0;dr (define_region) *DM*, revision 7.0, 83/08/09
DR (DEFINE_REGION) -- Place a mark to define a region.
usage:  dr


FORMAT

  DR


  The DR command marks some part of the display or some part of a pad.  The mark
  can  be  used to define a region for a substitute command, to grow, shrink, or
  move a window, or to reposition the cursor.

  You may specify a literal  point  at  which  the  mark  is  to  be  placed  by
  preceeding  the  DR  command  with  line  and column numbers in a pad, x and y
  screen coordinates, or regular expressions for matching text.  If no point  is
  specified, the mark is placed at the current cursor position.

  By  default,  the <MARK> key invokes the DR command along with ECHO to provide
  user-visible feedback.


RELATED TOPICS

  More information is available.  Type:

  - HELP GM
    for details on locating marks.

  - HELP CMS
    for details on erasing marks.

  - HELP ECHO
    for details on the user-visible feedback mechanism.

  - HELP DM RANGE
    for a discussion of marking text ranges and window regions.