Diff of /src/internfile/mh_mbox.h [cd7469] .. [f10e14]

  Switch to side-by-side view 

--- a/src/internfile/mh_mbox.h
+++ b/src/internfile/mh_mbox.h
@@ -52,6 +52,8 @@
     int        m_lineno; // debug 
     mbhoff_type m_fsize;
     vector<mbhoff_type> m_offsets;
+    enum Quirks {MBOXQUIRK_TBIRD=1};
+    int        m_quirks;
 };
 
 #endif /* _MBOX_H_INCLUDED_ */