[css-inline-3] Roll back renames to filenames @_@

Author: fantasai

css-inline-3/Overview.bs

@@ -1139,8 +1139,8 @@ Inline Box Edge Metrics: the 'text-box-edge' property</h3>
 	on the affected text.
 
 	<figure>
-		<img src="images/text-box-edge.png" width="480"
-		     alt="three different values of the text-box-edge property."  >
+		<img src="images/text-edge.png" width="480"
+		     alt="Three different values of the text-box-edge property."  >
 		<figcaption>
 			The 'text-box-edge' property, showing values for ''text-box-edge/leading'',
 			''text-box-edge/cap'', and ''text-box-edge/ex''.
@@ -1279,7 +1279,7 @@ Half-Leading Control: the 'text-box-trim' property</h3>
 		this often doesn't yield the intended visual effect.
 
 		<figure>
-			<img src="images/text-box-trim-centering-fail.png"
+			<img src="images/leading-trim-centering-fail.png"
 			     alt="Consider some Latin text placed to the right of an image,
 			          to be centered between its top and bottom.
 			          Measuring from the top of the image to the top of the text box yields 13px;
@@ -1300,7 +1300,7 @@ Half-Leading Control: the 'text-box-trim' property</h3>
 		respectively.
 
 		<figure>
-			<img src="images/text-box-trim-centering-goal.png"
+			<img src="images/leading-trim-centering-goal.png"
 			     alt="If the text were visually centered,
 			          the distance between the top of the image and the cap height would be 20px,
 			          and the distance between the bottom of the image and the alphabetic baseline would be equally 20px."
@@ -1318,7 +1318,7 @@ Half-Leading Control: the 'text-box-trim' property</h3>
 		and does so reliably, regardless of what font is used to render it.
 
 		<figure>
-			<img src="images/text-box-trim-centering-variants.gif"
+			<img src="images/leading-trim-centering-variants.gif"
 			     alt="">
 			<figcaption>
 				Even though different fonts have different cap heights,