map<string, MathSymbol>::const_iterator it =
math_symbols_.find(tex_name);
- static MathSymbol unknown_symbol;
+ static MathSymbol const unknown_symbol;
if (it == math_symbols_.end())
return unknown_symbol;
map<char_type, string>::const_iterator it =
tex_names_.find(math_symbol);
- static string empty_string;
+ static string const empty_string;
if (it == tex_names_.end())
return empty_string;