// decimals
		{IntLit, "1", "1", ""},
		{IntLit, "1234", "1234", ""},

		{IntLit, "1f", "1 f", ""}, // only accept 0-9

		{ImagLit, "0i", "0i", ""},
		{ImagLit, "0678i", "0678i", ""},

		// decimal floats
		{FloatLit, "0.", "0.", ""},
		{FloatLit, "123.", "123.", ""},
		{FloatLit, "0123.", "0123.", ""},

		{FloatLit, ".0", ".0", ""},
		{FloatLit, ".123", ".123", ""},

		// decimals
		{token.INT, "1", "1", ""},
		{token.INT, "1234", "1234", ""},

		{token.INT, "1f", "1 f", ""}, // only accept 0-9

		{token.IMAG, "0i", "0i", ""},
		{token.IMAG, "0678i", "0678i", ""},

		// decimal floats
		{token.FLOAT, "0.", "0.", ""},
		{token.FLOAT, "123.", "123.", ""},
		{token.FLOAT, "0123.", "0123.", ""},

		{token.FLOAT, ".0", ".0", ""},

Example 9.5 # ---------- # Message to be signed: 1b dc 6e 7c 98 fb 8c f5 4e 9b 09 7b 66 a8 31 e9 cf e5 2d 9d 48 88 44 8e e4 b0 97 80 93 ba 1d 7d 73 ae 78 b3 a6 2b a4 ad 95 cd 28 9c cb 9e 00 52 26 bb 3d 17 8b cc aa 82 1f b0 44 a4 e2 1e e9 76 96 c1 4d 06 78 c9 4c 2d ae 93 b0 ad 73 92 22 18 55 3d aa 7e 44 eb e5 77 25 a7 a4 5c c7 2b 9b 21 38 a6 b1 7c 8d b4 11 ce 82 79 ee 12 41 af f0 a8 be c6 f7 7f 87 ed b0 c6 9c b2 72 36 e3 43 5a 80 0b 19 2e 4f 11 e5 19 e3 fe 30 fc 30 ea cc ca 4f bb 41 76 90 29 bf 70 8e...

0676          ; mapped                 ; 0648 0674     # 1.1  ARABIC LETTER HIGH HAMZA WAW
0677          ; mapped                 ; 06C7 0674     # 1.1  ARABIC LETTER U WITH HAMZA ABOVE
0678          ; mapped                 ; 064A 0674     # 1.1  ARABIC LETTER HIGH HAMZA YEH
0679..06B7    ; valid                                  # 1.1  ARABIC LETTER TTEH..ARABIC LETTER LAM WITH THREE DOTS ABOVE