///
ColorCode bgcolor() const { return bgcolor_; };
///
- std::string preamble() const { return preamble_; };
+ docstring preamble() const { return preamble_; };
///
std::set<std::string> requires() const { return requires_; };
///
///
ColorCode bgcolor_;
///
- std::string preamble_;
+ docstring preamble_;
///
std::set<std::string> requires_;
///