[css-text] Use SVG renderings of Uyghur examples

As otherwise the browser-supplied rendering in the spec isn't
necessarily quite right.

See #5973

Author: frivoal

css-text-3/Overview.bs

@@ -4475,9 +4475,24 @@ Hyphenation: the 'hyphens' property</h3>
 				<td>&#x2010;fēnmíng
 			<tr lang=ug>
 				<th lang=en>Uyghur
-				<td dir=rtl>داميدى
-				<td dir=rtl>دامي&zwj;&#x640;
-				<td dir=rtl>&zwj;دى
+				<td dir=rtl>
+					<img src="images/uyghur-unbroken.svg"
+					     height=304
+					     style="height: 1.5em;"
+					     alt=" [isolated DAL + isolated ALEF + initial MEEM +
+					          medial YEH  + final DAL +
+					          isolated ALEF MAKSURA]">
+				<td dir=rtl>
+					<img src="images/uyghur-hyphenate-joined-before.svg"
+					     height=304
+					     style="height: 1.5em;"
+					     alt="[isolated DAL + isolated ALEF + initial MEEM +
+					          final YEH + hyphen ]">
+				<td dir=rtl>
+					<img src="images/uyghur-hyphenate-joined-after.svg"
+					     height=304
+					     style="height: 1.5em;"
+					     alt="[ isolated DAL + isolated ALEF MAKSURA]">
 		</table>
 	</details>