361   std::string Description =  in emitOption()  local
365     if (!Description.empty() && Description.back() != '.')  in emitOption()
366       Description.push_back('.');  in emitOption()
376     Description += (" " + MetaVarName + " must be '").str();  in emitOption()
378       Description += join(Values.begin(), Values.end() - 1, "', '");  in emitOption()
379       Description += "' or '";  in emitOption()
381     Description += (Values.back() + "'.").str();  in emitOption()
384   if (!Description.empty())  in emitOption()
385     OS << Description << "\n\n";  in emitOption()
397   std::string Description =  in emitGroup()  local
399   if (!Description.empty())  in emitGroup()
400     OS << Description << "\n\n";  in emitGroup()