Modified: src/trunk/translate/lang/es.py
===================================================================
--- src/trunk/translate/lang/es.py      2010-02-26 06:30:13 UTC (rev 13851)
+++ src/trunk/translate/lang/es.py      2010-02-26 06:31:59 UTC (rev 13852)
@@ -43,6 +43,9 @@
             first = firstmatch.group()
         # remove trailing whitespace
         first = first.strip()
+        # protect against incorrectly handling an empty string
+        if not first:
+            return text
         if first[-1] == '?':
             text = u"¿" + text
         elif first[-1] == '!':