Index: /trunk/psphot/src/psphotChoosePSF.c
===================================================================
--- /trunk/psphot/src/psphotChoosePSF.c	(revision 9888)
+++ /trunk/psphot/src/psphotChoosePSF.c	(revision 9889)
@@ -146,4 +146,6 @@
 
     // save only the best model;
+    // XXX we are not saving the fitted sources
+    // XXX do we want to keep them so we may optionally write them out?
     psf = psMemIncrRefCounter(try->psf);
     psFree (models);
Index: /trunk/psphot/src/psphotFitSet.c
===================================================================
--- /trunk/psphot/src/psphotFitSet.c	(revision 9888)
+++ /trunk/psphot/src/psphotFitSet.c	(revision 9889)
@@ -1,4 +1,5 @@
 # include "psphot.h"
 
+// XXX this is not used in main psphot code
 bool psphotFitSet (pmSource *source, pmModel *oneModel, char *fitset, pmSourceFitMode mode) {
 
Index: /trunk/psphot/src/psphotGrowthCurve.c
===================================================================
--- /trunk/psphot/src/psphotGrowthCurve.c	(revision 9888)
+++ /trunk/psphot/src/psphotGrowthCurve.c	(revision 9889)
@@ -45,4 +45,6 @@
 
     // loop over a range of source fluxes
+    // no need to interpolate since we have force the object center 
+    // to 0.5, 0.5 above
     for (int i = 0; i < psf->growth->radius->n; i++) {