Index: wp-includes/class-wp-rewrite.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- wp-includes/class-wp-rewrite.php	(revision 921e131eae45801b8fdb1ecfceb5d7839fdfd509)
+++ wp-includes/class-wp-rewrite.php	(date 1522704290000)
@@ -1501,45 +1501,45 @@
 		}
 
 		$rules  = "<IfModule mod_rewrite.c>\n";
-		$rules .= "RewriteEngine On\n";
-		$rules .= "RewriteBase $home_root\n";
+		$rules .= "\tRewriteEngine On\n";
+		$rules .= "\tRewriteBase $home_root\n";
 
 		// Prevent -f checks on index.php.
-		$rules .= "RewriteRule ^index\.php$ - [L]\n";
+		$rules .= "\tRewriteRule ^index\.php$ - [L]\n";
 
 		// Add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all).
 		foreach ( (array) $this->non_wp_rules as $match => $query ) {
 			// Apache 1.3 does not support the reluctant (non-greedy) modifier.
 			$match = str_replace( '.+?', '.+', $match );
 
-			$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
+			$rules .= "\tRewriteRule ^" . $match . ' ' . $home_root . $query . " [QSA,L]\n";
 		}
 
 		if ( $this->use_verbose_rules ) {
 			$this->matches = '';
 			$rewrite       = $this->rewrite_rules();
 			$num_rules     = count( $rewrite );
-			$rules        .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" .
-				"RewriteCond %{REQUEST_FILENAME} -d\n" .
-				"RewriteRule ^.*$ - [S=$num_rules]\n";
+			$rules        .= "\tRewriteCond %{REQUEST_FILENAME} -f [OR]\n" .
+				"\tRewriteCond %{REQUEST_FILENAME} -d\n" .
+				"\tRewriteRule ^.*$ - [S=$num_rules]\n";
 
 			foreach ( (array) $rewrite as $match => $query ) {
 				// Apache 1.3 does not support the reluctant (non-greedy) modifier.
 				$match = str_replace( '.+?', '.+', $match );
 
 				if ( strpos( $query, $this->index ) !== false ) {
-					$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
+					$rules .= "\tRewriteRule ^" . $match . ' ' . $home_root . $query . " [QSA,L]\n";
 				} else {
-					$rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n";
+					$rules .= "\tRewriteRule ^" . $match . ' ' . $site_root . $query . " [QSA,L]\n";
 				}
 			}
 		} else {
-			$rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" .
-				"RewriteCond %{REQUEST_FILENAME} !-d\n" .
-				"RewriteRule . {$home_root}{$this->index} [L]\n";
+			$rules .= "\tRewriteCond %{REQUEST_FILENAME} !-f\n" .
+				"\tRewriteCond %{REQUEST_FILENAME} !-d\n" .
+				"\tRewriteRule . {$home_root}{$this->index} [L]\n";
 		}
 
-		$rules .= "</IfModule>\n";
+		$rules .= "</IfModule>";
 
 		/**
 		 * Filters the list of rewrite rules formatted for output to an .htaccess file.
