Follow up to r89419:

Per Brion's comment on Code Review, a generically named ltr class is created and used to reduce the number of rules

includes/specials/SpecialVersion.php

@@ -146,7 +146,7 @@ class SpecialVersion extends SpecialPage {
 		foreach( $software as $name => $version ) {
 			$out .= "<tr>
 					<td>" . $name . "</td>
-					<td>" . $version . "</td>
+					<td class=\"ltr\">" . $version . "</td>
 				</tr>\n";
 		}
 

skins/common/shared.css

@@ -709,20 +709,8 @@ th.headerSortDown {
 	background-image: url(images/sort_down.gif); 
 }
 
-/* Special:Version */
-#sv-software td {
-	/* version numbers are always ltr (and otherwise an RLE can be inserted) */
-	/* @noflip */
-	direction: ltr;
-}
-
-/* LTR content in RTL layout, e.g. SQL queries inside DB error messages */
-div.ltr {
-	/* @noflip */
-	direction: ltr;
-}
-
-span.ltr {
+/* LTR content in RTL layout */
+.ltr {
 	/* @noflip */
 	direction: ltr;
 	unicode-bidi: embed;