fix issue #26

Author: ikirudennis

tests/test_github_issues.py

@@ -35,3 +35,9 @@ def test_github_issue_22():
     result = textile.textile(text)
     expect = '\t<p><em class="artist-name">Ty Segall</em>’s</p>'
     assert result == expect
+
+def test_github_issue_26():
+    text = ''
+    result = textile.textile(text)
+    expect = ''
+    assert result == expect

textile/core.py

@@ -231,6 +231,8 @@ def parse(self, text, rel=None, sanitize=False):
         self.unreferencedNotes = OrderedDict()
         self.notelist_cache = OrderedDict()
 
+        if text == '':
+            return text
 
         if self.restricted:
             text = encode_html(text, quotes=False)