added support for IronPython 1.0 (thanks to Seo Sanghyeon);

closing http://sf.net/tracker/?func=detail&atid=422032&aid=1550267&group_id=38414

git-svn-id: http://svn.code.sf.net/p/docutils/code/trunk/docutils@4750 929543f6-e4f2-0310-98a6-ba3bd3dd1d04

1 files changed, 6 insertions, 5 deletions

diff --git a/docutils/io.py b/docutils/io.py
index 4abca97bc..dcce35324 100644
--- a/docutils/io.py
+++ b/docutils/io.py
@@ -197,13 +197,14 @@ class Output(TransformSpec):
         else:
             try:
                 return data.encode(self.encoding, self.error_handler)
-            except ValueError:
-                # ValueError is raised if there are unencodable chars
-                # in data and the error_handler isn't found.
+            except (LookupError, ValueError):
+                # LookupError is raised if there are unencodable chars
+                # in data and the error_handler isn't found. In old
+                # Python versions, ValueError is raised.
                 if self.error_handler == 'xmlcharrefreplace':
                     # We are using xmlcharrefreplace with a Python
-                    # version that doesn't support it (2.1 or 2.2), so
-                    # we emulate its behavior.
+                    # version that doesn't support it (2.1, 2.2, or
+                    # IronPython 1.0) so we emulate its behavior.
                     return ''.join([self.xmlcharref_encode(char)
                                     for char in data])
                 else: