Index: /branches/eam_branches/ipp-pstamp-20260421/pstamp/web/request.php
===================================================================
--- /branches/eam_branches/ipp-pstamp-20260421/pstamp/web/request.php	(revision 43075)
+++ /branches/eam_branches/ipp-pstamp-20260421/pstamp/web/request.php	(revision 43076)
@@ -35,4 +35,5 @@
 $last_request_id = 0;
 
+// EAM 20260901 : these map to options in the 'Image Type' drop down
 $raw_selected = "";
 $chip_selected = "";
@@ -42,4 +43,5 @@
 $diff_selected = "";
 
+// EAM 20260901 : some of these map to selection in the 'Select Images By' row (clarify)
 $exp_checked = "";
 $file_checked = "";