diff --git a/core/bug_api.php b/core/bug_api.php
index 83471f6cf9..65f6c7983d 100644
--- a/core/bug_api.php
+++ b/core/bug_api.php
@@ -917,7 +917,7 @@ function bug_text_cache_row( $p_bug_id, $p_trigger_errors = true ) {
 			return false;
 		}
 	}
-	
+
 	$g_cache_bug_text[$c_bug_id] = $t_row;
 
 	return $t_row;
diff --git a/core/bug_revision_api.php b/core/bug_revision_api.php
index b29a87f548..30644572e3 100644
--- a/core/bug_revision_api.php
+++ b/core/bug_revision_api.php
@@ -58,7 +58,7 @@ function bug_revision_add( $p_bug_id, $p_user_id, $p_type, $p_value, $p_bugnote_
 	} else {
 		$t_timestamp = $p_timestamp;
 	}
-	
+
 	$t_query = 'INSERT INTO {bug_revision} (
 			bug_id, bugnote_id, user_id,
 			timestamp, type, value
@@ -238,11 +238,11 @@ function bug_revision_last( $p_bug_id, $p_type = REV_ANY, $p_bugnote_id = 0 ) {
 	$t_result = db_query( $t_query, $t_params, 1 );
 
 	$t_row = db_fetch_array( $t_result );
-	if( $t_row ) {
-		return $t_row;
-	}
-
-	return null;
+  	if( $t_row ) {
+ 		return $t_row;
+	} else {
+		return null;
+ 	}
 }
 
 /**
diff --git a/core/filter_api.php b/core/filter_api.php
index 220a87cfc4..358b6b83af 100644
--- a/core/filter_api.php
+++ b/core/filter_api.php
@@ -2011,7 +2011,7 @@ function filter_get_bug_rows( &$p_page_number, &$p_per_page, &$p_page_count, &$p
 			$t_where_params[] = $c_search;
 			$t_where_params[] = $c_search;
 			$t_where_params[] = $c_search;
-			
+
 			if( is_numeric( $t_search_term ) ) {
 				# PostgreSQL on 64-bit OS hack (see #14014)
 				if( PHP_INT_MAX > 0x7FFFFFFF && db_is_pgsql() ) {