namespace support { class FileName; }
-typedef Layout const * LayoutPtr;
-
class Context;
/// A trivial subclass, just to give us a public default constructor
/// used packages with options
extern std::map<std::string, std::vector<std::string> > used_packages;
-extern LayoutPtr captionlayout;
/// in text.cpp
std::string translate_len(std::string const &);