NAME:
    crmatch
 PURPOSE: (one line)
    Create a standard name --- non-standard name correspondence file.
 DESCRIPTION:
    Creates, from a photometry log file (alternate format) and a standard
 name --- non-standard name correspondence file, a new standard name ---
 non-standard name correspondence file.
 CATEGORY:
  Photometry
 CALLING SEQUENCE:
    crmatch, in_logfile, in_namesfile, out_namesfile
 INPUTS:
    in_logfile    : Photometry log file (alternate format).
    in_namesfile  : Any existing correspondence file.
 OPTIONAL INPUT PARAMETERS:

 KEYWORD PARAMETERS:

 OUTPUTS:
    out_namesfile : The new correspondence file.
 COMMON BLOCKS:

 SIDE EFFECTS:
    Calls external routines badpar, rdphalt and exists.
 RESTRICTIONS:

 PROCEDURE:

 MODIFICATION HISTORY:
    Written by Doug Loucks, Lowell Observatory, September 30, 1993.
    10/15/93, DWL, Added existence checks for the input file names and
 type validation for all parameters.
    5/11/94, DWL, Changed call to rdphotalt to rdphalt.