namespace {
-int const LYX_FORMAT = 342; //uwestoehr: support for Mongolian
+// Do not remove the comment below, so we get merge conflict in
+// independent branches. Instead add your own.
+int const LYX_FORMAT = 344; // ps: backref
typedef map<string, bool> DepClean;
typedef map<docstring, pair<InsetLabel const *, Buffer::References> > RefCache;