[css-text-decor-4] Fix broken links to images

css-text-decor-4/Overview.bs

@@ -147,14 +147,14 @@ Determining the Position and Thickness of Line Decorations</h3>
 								 are rendered in a small font. In the second rendering,
 								 the 'a' is rendered in a larger font. In the third, both
 								 '1st' and 'a' are large."
-						height="105" src="img/underline-averaging.gif" width="326">
+						height="105" src="images/underline-averaging.gif" width="326">
 		<p>In the three fragments of underlined text, the underline is drawn
 			consecutively lower and thicker as the ratio of large text to small
 			text increases.</p>
 		<p>Using the same example, a line-through would in the second fragment,
 		instead of averaging the two font sizes,
 		split the line-through into two segments:
-		<p><img alt="" src="linethrough-averaging.gif">
+		<p><img alt="" src="images/linethrough-averaging.gif">
 		<p>In both cases, however, the superscript, due to the vertical-alignment shift,
 		has no effect on the position of the line.
 	</div>
@@ -294,7 +294,7 @@ Text Decoration Line Continuity: the 'text-decoration-skip' property</h4>
 			<div class="figure">
 				<p><img title="text-decoration-skip: edges"
 						alt="An underline below a series of Chinese characters has a gap between two adjacent underlining elements."
-						src="img/decoration-skip-edges.png"
+						src="images/decoration-skip-edges.png"
 						>
 				<p class="caption">''text-decoration-skip: edges'' for <code>&lt;u>石井&lt;/u>&lt;u>艾俐俐&lt;/u></code>
 </p>
@@ -361,7 +361,7 @@ Text Decoration Line Continuity: the 'text-decoration-skip-ink' property</h4>
 	<div class="figure">
 		<p><img title="text-decoration-skip: ink"
 				alt="An alphabetic underline through Myanmar text skips around descenders and the vertical strokes of combining characters that drop below the alphabetic baseline."
-				src="decoration-skip-ink.png"
+				src="images/decoration-skip-ink.png"
 				>
 		<p class="caption">''text-decoration-skip: ink''</p>
 	</div>