Fix for 687349 A wrong comment for gx_device_color_s

Log message:

Fix for 687349 A wrong comment for gx_device_color_s.  This change
modifies the comment on ccolor and the related variable ccolor_valid.


Index: src/gsdcolor.h
===================================================================
RCS file: /cvs/ghostscript/gs/src/gsdcolor.h,v
retrieving revision 1.12
diff -u -r1.12 gsdcolor.h
--- a/src/gsdcolor.h    26 Aug 2003 12:37:13 -0000      1.12
+++ b/src/gsdcolor.h    10 Mar 2004 06:50:39 -0000
@@ -306,9 +306,21 @@
        } /*(colored) */ pattern;
     } colors;
     gs_int_point phase;
+    /*
+     * This flag indicates if the paint values in ccolor are valid.  They
+     * are valid for most cases.  However there are some special cases
+     * in which a device color is initialized to specific values (usually
+     * black or white) instead of being created from a color space and
+     * color values.
+     */
     bool ccolor_valid;
-    gs_client_color ccolor;    /* needed for remapping patterns, */
-                               /* not set for non-pattern colors */
+    /*
+     * For non-pattern colors, ccolors contains the original paint values.
+     * For pattern colors, ccolors contains information required for
remapping.
+     * the pattern.  See ccolor_valid.
+     */
+    gs_client_color ccolor;
+
     struct _mask {
        struct mp_ {
            short x, y;