Fix a bug in the data:+ and data:- transitions.

--HG--
extra : rebase_source : 60217c53a3774faeaab0ae280e412ab55a1c726f

Author: tabatkins

css3-syntax/Overview.src.html

@@ -404,7 +404,7 @@ <h4>
 			If the <i>next input character</i> is
 			a <i>digit</i>,
 			or the <i title="next input character">next 2 input characters</i> are
-			U+002D HYPHEN-MINUS (-)
+			U+002E FULL STOP (.)
 			followed by a <i>digit</i>,
 			switch to the <i>number state</i>.
 			Reconsume the <i>current input character</i>.
@@ -430,7 +430,7 @@ <h4>
 				if the <i>next input character</i> is
 				a <i>digit</i>,
 				or the <i title="next input character">next 2 input characters</i> are
-				U+002D HYPHEN-MINUS (-)
+				U+002E FULL STOP (.)
 				followed by a <i>digit</i>,
 				switch to the <i>number state</i>.
 				Reconsume the <i>current input character</i>.