Text Layout Algorithm: Fix incorrect attribute/variable names in "Adj…

…ust positions: dx, dy"

Fixes w3c#271

master/text.html

@@ -3161,19 +3161,19 @@ <h2 id="TextLayoutAlgorithm">Text layout – Algorithm</h2>
       <ol>
 	<li>
 	  Let <var>shift</var> be the cumulative <var>x</var> and
-	  <var>y</var> shifts due to <a>'tspan/x'</a> and <a>'tspan/y'</a>
+	  <var>y</var> shifts due to <a>'tspan/dx'</a> and <a>'tspan/dy'</a>
 	  attributes, initialized to (0,0).
 	</li>
 	<li>
 	  For each array element with index <var>i</var> in result:
 	  <ol>
 	    <li>
-	      If <var>resolve_x</var>[<var>i</var>] is unspecified, set it to 0.
-	      If <var>resolve_y</var>[<var>i</var>] is unspecified, set it to 0.
+	      If <var>resolve_dx</var>[<var>i</var>] is unspecified, set it to 0.
+	      If <var>resolve_dy</var>[<var>i</var>] is unspecified, set it to 0.
 	    </li>
 	    <li>
-	      Let <var>shift.x</var> = <var>shift.x</var> + <var>resolve_x</var>[<var>i</var>]
-	      and <var>shift.y</var> = <var>shift.y</var> + <var>resolve_y</var>[<var>i</var>].
+	      Let <var>shift.x</var> = <var>shift.x</var> + <var>resolve_dx</var>[<var>i</var>]
+	      and <var>shift.y</var> = <var>shift.y</var> + <var>resolve_dy</var>[<var>i</var>].
 	    </li>
 	    <li>
 	      Let <var>result</var>[<var>i</var>].x = CSS_positions[<var>i</var>].x + shift.x