Index: trunk/psphot/src/psphotSkyReplace.c
===================================================================
--- trunk/psphot/src/psphotSkyReplace.c	(revision 6715)
+++ trunk/psphot/src/psphotSkyReplace.c	(revision 6727)
@@ -1,4 +1,5 @@
 # include "psphot.h"
 
+// XXX make this an option?
 // in order to  successfully replace the sky, we must define a corresponding file...
 bool psphotSkyReplace (pmConfig *config, pmFPAview *view) {