[Really fix precendence logic for conditional GET.
prb@mult.ifario.us**20080305084658] hunk ./servletsrc/perpubplat.hs 87
-       ; let modified =
-                 etag_didnt_match || 
-                 case ifModifiedSince of
-                   Nothing -> True
-                   Just d -> 
-                       (Utils.httpDateToIso8601 d) < last_updated
+       ; let modified = (ifNoneMatch /= Nothing && etag_didnt_match) 
+                        || 
+                        case ifModifiedSince of
+                          Nothing -> True
+                          Just d -> (Utils.httpDateToIso8601 d) < last_updated