Index: time_facet.hpp
===================================================================
--- time_facet.hpp
+++ time_facet.hpp
@@ -27,6 +27,7 @@
 #include <boost/date_time/date_facet.hpp>
 #include <boost/date_time/string_convert.hpp>
 #include <boost/date_time/special_defs.hpp>
+#include <boost/date_time/gregorian/greg_month.hpp>
 
 namespace boost {
 namespace date_time {
@@ -1172,6 +1173,10 @@
              
           }
           else {  //skip past chars in format and in buffer
+	        if( sitr != stream_end && *itr != *sitr ) {
+			    throw std::exception(); // mismatch in seperater characters found
+			}
+
             ++itr;
             // set use_current_char when sitr is already 
             // pointing at the next character to process