Index: trunk/ippconfig/recipes/filerules-mef.mdc
===================================================================
--- trunk/ippconfig/recipes/filerules-mef.mdc	(revision 23359)
+++ trunk/ippconfig/recipes/filerules-mef.mdc	(revision 23400)
@@ -1,4 +1,6 @@
 ### File rules for PHU=FPA, EXT=CHIP (eg, Megacam)
 ### this file specifies compression types for various output files
+### The image types are defined in fitstypes.mdc
+### The default type of NONE means no compression
 
 ### Redirections (MEF)
Index: trunk/ippconfig/recipes/filerules-simple.mdc
===================================================================
--- trunk/ippconfig/recipes/filerules-simple.mdc	(revision 23359)
+++ trunk/ippconfig/recipes/filerules-simple.mdc	(revision 23400)
@@ -1,3 +1,5 @@
 ### File rules for PHU=FPA, EXT=NONE
+### The default type of NONE means no compression
+
 
 PSASTRO.INPUT      STR PSASTRO.INPUT.CMF
Index: trunk/ippconfig/recipes/filerules-split.mdc
===================================================================
--- trunk/ippconfig/recipes/filerules-split.mdc	(revision 23359)
+++ trunk/ippconfig/recipes/filerules-split.mdc	(revision 23400)
@@ -1,4 +1,5 @@
 ### File rules for PHU=CHIP, EXT=CELL (eg, GPC1)
 ### this file specifies compression types for various output files
+### The default type of NONE means no compression
 
 # for basic chip analysis, psphot should produce SPLIT output