From c8b94d14c503975957a931dfd4737f3f721cfb06 Mon Sep 17 00:00:00 2001
From: Zhang Chiyuan <pluskid@gmail.com>
Date: Thu, 25 Dec 2008 15:16:11 +0000
Subject: [PATCH] Fixed the bug of empty overlay (Issue 48), thanks
 some.any.key

---
 yasnippet.el | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/yasnippet.el b/yasnippet.el
index 928f317..2d154ac 100644
--- a/yasnippet.el
+++ b/yasnippet.el
@@ -649,6 +649,8 @@ for each field."
            (length (- end start)))
       (goto-char start)
       (insert (yas/calculate-field-value field text))
+      (if (eq length 0)
+	  (move-overlay overlay start (+ start (length text))))
       (delete-char length))))
 
 (defun yas/expand-snippet (start end template)