LyX file-format changes
-----------------------
+2007-05-15 José Matos <jamatos@lyx.org>
+ * format incremented to 271: extended textclasses accept the
+ normal font sizes: 10, 11 and 12pt.
+
+2007-05-14 Martin Vermeer <martin.vermeer@tkk.fi>
+ * format incremented to 270: support beamer \alert, \structure
2007-05-08 Bo Peng <ben.bob@gmail.com>
* format incremented to 269: add listings support