2.0.18:
	* Add %ctop{ %} to do what alltop does but only for the C file
	* Buildfixes for Cygwin (Roland Clobus)
	* gob2.m4 exits if gob is not found (fixes ubuntu #317801)
          (Stephen Kitt)
	* Escape minus signs in the webpage and fix some typos (Stephen Kitt)
	* clarify README as to the public domainness of the generated code