On many systems, the rgb.txt color database file contains comments 
which are indicated by a `!' as the first character of the line.  
This causes some netpbm utilities to issue a harmless warning
("can't parse color names database line").  This patch will eliminate
that warning.

- Darrell Kindred (dkindred@cmu.edu), 13 November 1995


*** ppm/libppm4.c.orig	Mon Oct  4 05:12:13 1993
--- ppm/libppm4.c	Tue Jun  6 15:46:29 1995
***************
*** 218,223 ****
--- 218,225 ----
          canonstr( colorname );
          while ( fgets( buf1, sizeof(buf1), f ) != NULL )
              {
+ 	    if ( buf1[0] == '!' ) 
+                 continue;
              if ( sscanf( buf1, "%ld %ld %ld %[^\n]", &r, &g, &b, buf2 ) != 4 )
                  {
                  pm_message(