NAME:
  edtcoord
 PURPOSE:
  Display a celestial coordinate and permit editing the value.
 DESCRIPTION:

 CATEGORY:
  Astronomy
 CALLING SEQUENCE:
  edtcoord,ra,dec,equinox,dra,ddec,epoch
 INPUTS:
  name- Formal or proper name for object
  ra  - R.A. in radians
  dec - Declination in radians
  equinox - Equinox of coordinates (decimal year)
 OPTIONAL INPUT PARAMETERS:
  comment - Comment string (use is dependent on application) default=''
  dra  - proper motion in radians per year, default=0
  ddec - proper motion in radians per year, default=0
  epoch - Epoch of coordinates (decimal year)  default=equinox
 KEYWORD INPUT PARAMETERS:
  NOPM - Flag, if set suppresses display and editing of the proper motion
            data fields (dra,ddec,epoch)
 OUTPUTS:
  All of the input parameters can be modified.
 KEYWORD OUTPUT PARAMETERS:

 COMMON BLOCKS:

 SIDE EFFECTS:

 RESTRICTIONS:

 PROCEDURE:

 MODIFICATION HISTORY:
  Written by Marc W. Buie, Lowell Observatory, 2000/09/03
  2000/09/11, MWB, added name and comment fields