diff -Naur boost/include/boost-1_48/boost/date_time/format_date_parser.hpp boost.patched/include/boost-1_48/boost/date_time/format_date_parser.hpp
--- boost/include/boost-1_48/boost/date_time/format_date_parser.hpp	2011-12-19 17:27:15.050509400 +0100
+++ boost.patched/include/boost-1_48/boost/date_time/format_date_parser.hpp	2011-12-12 17:30:56.426881500 +0100
@@ -60,8 +60,8 @@
     else {
       mr.cache += (*itr);
     }
-    itr++;
-    j++;
+    ++itr;
+    ++j;
   }
   int_type i = -1;
   // mr.cache will hold leading zeros. size() tells us when input is too short.
@@ -711,13 +711,13 @@
         itr++; //advance past format specifier
       }
       else {  //skip past chars in format and in buffer
-        itr++;
+        ++itr;
         if (use_current_char) {
           use_current_char = false;
           current_char = *sitr;
         }
         else {
-          sitr++;
+          ++sitr;
         }
       }
     }
diff -Naur boost/include/boost-1_48/boost/date_time/time_facet.hpp boost.patched/include/boost-1_48/boost/date_time/time_facet.hpp
--- boost/include/boost-1_48/boost/date_time/time_facet.hpp	2011-12-19 17:27:15.366541000 +0100
+++ boost.patched/include/boost-1_48/boost/date_time/time_facet.hpp	2011-12-13 10:24:52.536234300 +0100
@@ -1212,15 +1212,19 @@
 
           }
           else {  //skip past chars in format and in buffer
-            ++itr;
-            // set use_current_char when sitr is already
-            // pointing at the next character to process
-            if (use_current_char) {
-              use_current_char = false;
-            }
-            else {
-              ++sitr;
-            }
+			  if( sitr != stream_end && *itr != *sitr ) {
+				  throw std::exception(); // mismatch in constant non format characters found
+			  }
+
+			  ++itr;
+			  // set use_current_char when sitr is already 
+			  // pointing at the next character to process
+			  if (use_current_char) {
+				  use_current_char = false;
+			  }
+			  else {
+				  ++sitr;
+			  }
           }
         }