+# Incremented to format 15, by prannoy
+# Add fullscreen_statusbar
+# No conversion necessary.
+
+# Incremented to format 16, by lasgouttes
+# Remove force_paint_single_char rc.
+
+# Incremented to format 17, by lasgouttes
+# Remove rtl_support rc.
+
+# Incremented to format 18, by ef
+# Add option to allow saving the document directory
+# No conversion necessary.
+
+# Incremented to format 19, by rgh
+# remove print support
+
+# Incremented to format 20, by tommaso
+# Add options to forbid/ignore 'needauth' option
+# No conversion necessary.
+
+# Incremented to format 21, by spitz
+# Add jbibtex_alternatives, allow "automatic" value
+# of bibtex_command and jbibtex_command (actually the
+# default now)
+# No conversion necessary.
+
+# Incremented to format 22, by ef
+# Add pygmentize_command for the python pygments syntax highlighter
+# No conversion necessary.
+
+# NOTE: The format should also be updated in LYXRC.cpp and
+# in configure.py.
+