From 88280277291e7f2362ee4258a8c33624b6c712f1 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Wed, 9 Feb 2011 00:23:45 +0900
Subject: [PATCH] when calculating next interval ensure we don't have a
 negative delay

---
 anki/deck.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/anki/deck.py b/anki/deck.py
index 8418d4cb5..c694122ad 100644
--- a/anki/deck.py
+++ b/anki/deck.py
@@ -895,8 +895,8 @@ and type between 1 and 2""",
     def _nextInterval(self, card, delay, ease):
         interval = card.interval
         factor = card.factor
-        # if shown early and not failed
-        if delay < 0 and card.successive:
+        # if shown early
+        if delay < 0:
             # FIXME: this should recreate lastInterval from interval /
             # lastFactor, or we lose delay information when reviewing early
             interval = max(card.lastInterval, card.interval + delay)