+
+# Incremented to format 17, 12 August 2009 by rgh
+# Add IfStyle and IfCounter tags for layout.
+
+# Incremented to format 18, 27 October 2009 by rgh
+# Added some new tags for HTML output.
+
+# Incremented to format 19, 17 November 2009 by rgh
+# Added InPreamble tag.
+
+# Incremented to format 20, 17 December 2009 by rgh
+# Added ContentAsLabel tag.
+
+# Incremented to format 21, 12 January 2010 by rgh
+# Added HTMLTocLayout and HTMLTitle tags.
+
+# Incremented to format 22, 20 January 2010 by rgh
+# Added HTMLFormat tag to Counters.
+
+# Incremented to format 23, 13 February 2010 by spitz
+# Added Spellcheck tag.
+
+# Incremented to format 24, 5 March 2010 by rgh
+# Changed LaTeXBuiltin tag to NeedsFloatPkg and
+# added new tag ListCommand.
+
+# Incremented to format 25, 12 March 2010 by rgh
+# Added RefPrefix tag for layouts and floats.
+
+# Incremented to format 26, 29 March 2010 by rgh
+# Added CiteFormat.
+
+# Incremented to format 27, 4 June 2010 by rgh
+# Added RequiredArgs tag.
+
+# Incremented to format 28, 6 August 2010 by lasgouttes
+# Added ParbreakIsNewline tag for Layout and InsetLayout.
+
+# Incremented to format 29, 10 August 2010 by rgh
+# Changed Custom:Style, CharStyle:Style, and Element:Style
+# uniformly to Flex:Style.
+
+# Incremented to format 30, 13 August 2010 by rgh
+# Introduced ResetsFont tag for InsetLayout.
+
+# Incremented to format 31, 12 January 2011 by rgh
+# Introducted NoCounter tag.
+
+# Incremented to format 32, 30 January 2011 by forenr
+# Added Display tag for InsetLayout
+
+# Incremented to format 33, 2 February 2011 by rgh
+# Changed NeedsFloatPkg to UsesFloatPkg
+
+# Incremented to format 34, 28 March 2011 by rgh
+# Remove obsolete Fill_(Top|Bottom) tags
+
+# Incremented to format 35, 28 March 2011 by rgh
+# Try to add "Flex:" to any flex insets that don't have it.