Index: trunk/ppImage/src/ppImageOptions.c
===================================================================
--- trunk/ppImage/src/ppImageOptions.c	(revision 13761)
+++ trunk/ppImage/src/ppImageOptions.c	(revision 13901)
@@ -28,4 +28,5 @@
     options->badMask    = 0x00;         // Bad pixels
     options->flatMask   = 0x00;         // Bad flat pixels
+    options->blankMask  = 0x00;         // Blank (no data, cell gap) pixels
 
     options->doNonLin   = false;        // Non-linearity correction
@@ -147,5 +148,5 @@
 
         // What method do we use to measure the overscan statistics?
-	// XXX allow user to specify psStats types by name
+        // XXX allow user to specify psStats types by name
         psStats *overscanStats = NULL;  // Statistics for overscan
         psString stat = psMetadataLookupStr(NULL, recipe, "OVERSCAN.STAT");
@@ -175,5 +176,5 @@
     options->badMask = pmConfigMask("BAD", config);
     options->flatMask = pmConfigMask("FLAT", config);
-
+    options->blankMask = pmConfigMask("BLANK", config);
 
     options->doBias = psMetadataLookupBool(NULL, recipe, "BIAS");