-----------------------
-2018-04-24 Jürgen Spitzmüller <spitz@lyx.org>
+2018-04-22 Jürgen Spitzmüller <spitz@lyx.org>
+ * format incremented to 550: rename \fontencoding global to \fontencoding auto.
+ Semantic change: this is now automatically set depending on the document fonts.
+
+2018-04-21 Jürgen Spitzmüller <spitz@lyx.org>
* format incremented to 549: change \textcyr to \textcyrillic.
Dummy format change for now (in case it turns out we need to do something).