Index: class-wp-list-table.php
===================================================================
--- class-wp-list-table.php	(revision 44263)
+++ class-wp-list-table.php	(working copy)
@@ -825,7 +825,7 @@
 			$page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&laquo;</span>';
 		} else {
 			$page_links[] = sprintf(
-				"<a class='first-page button' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
+				'<a class="first-page button" href="%s"><span class="screen-reader-text">%s</span><span aria-hidden="true">%s</span></a>',
 				esc_url( remove_query_arg( 'paged', $current_url ) ),
 				__( 'First page' ),
 				'&laquo;'
@@ -836,7 +836,7 @@
 			$page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&lsaquo;</span>';
 		} else {
 			$page_links[] = sprintf(
-				"<a class='prev-page button' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
+				'<a class="prev-page button" href="%s"><span class="screen-reader-text">%s</span><span aria-hidden="true">%s</span></a>',
 				esc_url( add_query_arg( 'paged', max( 1, $current - 1 ), $current_url ) ),
 				__( 'Previous page' ),
 				'&lsaquo;'
@@ -848,13 +848,13 @@
 			$total_pages_before = '<span class="screen-reader-text">' . __( 'Current Page' ) . '</span><span id="table-paging" class="paging-input"><span class="tablenav-paging-text">';
 		} else {
 			$html_current_page = sprintf(
-				"%s<input class='current-page' id='current-page-selector' type='text' name='paged' value='%s' size='%d' aria-describedby='table-paging' /><span class='tablenav-paging-text'>",
+				'%s<input class="current-page" id="current-page-selector" type="text" name="paged" value="%s" size="%d" aria-describedby="table-paging" /><span class="tablenav-paging-text">',
 				'<label for="current-page-selector" class="screen-reader-text">' . __( 'Current Page' ) . '</label>',
 				$current,
 				strlen( $total_pages )
 			);
 		}
-		$html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
+		$html_total_pages = sprintf( '<span class="total-pages">%s</span>', number_format_i18n( $total_pages ) );
 		$page_links[]     = $total_pages_before . sprintf( _x( '%1$s of %2$s', 'paging' ), $html_current_page, $html_total_pages ) . $total_pages_after;
 
 		if ( $disable_next ) {
@@ -861,7 +861,7 @@
 			$page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&rsaquo;</span>';
 		} else {
 			$page_links[] = sprintf(
-				"<a class='next-page button' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
+				'<a class="next-page button" href="%s"><span class="screen-reader-text">%s</span><span aria-hidden="true">%s</span></a>',
 				esc_url( add_query_arg( 'paged', min( $total_pages, $current + 1 ), $current_url ) ),
 				__( 'Next page' ),
 				'&rsaquo;'
@@ -872,7 +872,7 @@
 			$page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&raquo;</span>';
 		} else {
 			$page_links[] = sprintf(
-				"<a class='last-page button' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
+				'<a class="last-page button" href="%s"><span class="screen-reader-text">%s</span><span aria-hidden="true">%s</span></a>',
 				esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ),
 				__( 'Last page' ),
 				'&raquo;'