bool isHex(docstring const & str);
-int hexToInt(docstring const & str);
+unsigned int hexToInt(docstring const & str);
/// is \p str pure ascii?
bool isAscii(docstring const & str);
std::string const ltrim(std::string const & a, char const * p = " ");
docstring const ltrim(docstring const & a, char const * p = " ");
-/** Splits the string given in the first argument at the first occurence
+/** Splits the string given in the first argument at the first occurrence
of the third argument, delim.
What precedes delim is returned in the second argument, piece; this
will be the whole of the string if no delimiter is found.
int findToken(char const * const str[], std::string const & search_token);
-/// Format a floating point number with at least 6 siginificant digits, but
+/// Format a floating point number with at least 6 significant digits, but
/// without scientific notation.
/// Scientific notation would be invalid in some contexts, such as lengths for
/// LaTeX. Simply using std::ostream with std::fixed would produce results