LYXERR(Debug::GRAPHICS, "BB_from_File: " << tmp);
if (!tmp.empty()) {
unsigned int const bb_orig_xl = convert<unsigned int>(token(tmp, ' ', 0));
unsigned int const bb_orig_yb = convert<unsigned int>(token(tmp, ' ', 1));
// new pars.bb values must be >= zero
LYXERR(Debug::GRAPHICS, "BB_from_File: " << tmp);
if (!tmp.empty()) {
unsigned int const bb_orig_xl = convert<unsigned int>(token(tmp, ' ', 0));
unsigned int const bb_orig_yb = convert<unsigned int>(token(tmp, ' ', 1));
// new pars.bb values must be >= zero