Function skip_bom

Source/external/json.hpp:8787–8799

! @brief skip the UTF-8 byte order mark @return true iff there is no BOM or the correct BOM has been skipped */

	@return true iff there is no BOM or the correct BOM has been skipped
	*/
	bool skip_bom()
	{
		if (get() == 0xEF)
		{
			// check if we completely parse the BOM
			return get() == 0xBB && get() == 0xBF;
		}

		// the first character is not the beginning of the BOM; unget it to
		// process is later
		unget();
		return true;
	}

	void skip_whitespace()
	{