SPC Name
      
       SPC Purpose
      
       Return a string with the specified number of spaces (or other char).
Category
Calling Sequence
      
       s = spc(n, [text]) Inputs
             n = number of spaces (= string length).   in 
        
        text = optional text string.              in
          
          # spaces returned is n-strlen(strtrim(text,2))
Keyword Parameters
Keywords
        
         CHARACTER=ch  Character other than a space.
                      Ex: CHAR='-'.
        
         /NOTRIM means do not do a strtrim on text.
Outputs
      
       s = resulting string.                     out
Common Blocks
Notes
      
       Note: Number of requested spaces is reduced by the
        
         length of given string.  Useful for text formatting.
Modification History
      
       Written by R. Sterner, 16 Dec, 1984. 
      
       RES --- rewritten 14 Jan, 1986. 
      
       R. Sterner, 27 Jun, 1990 --- added text. 
      
       R. Sterner, 1994 Sep  7 --- Allowed text arrays.
      
       R. Sterner, 1999 Jul  2 --- Added /NOTRIM keyword.
      
       R. Sterner, 2010 May 03 --- Converted arrays from () to [].
      
       Johns Hopkins University Applied Physics Laboratory. 
  
 Copyright (C) 1984, Johns Hopkins University/Applied Physics Laboratory
  
 This software may be used, copied, or redistributed as long as it is not
  
 sold and this copyright notice is reproduced on each copy made.  This
  
 routine is provided as is without any express or implied warranties
  
 whatsoever.  Other limitations apply as described in the file disclaimer.txt.