X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=wrw%2Fsp%2Fcons.py;h=bc9bfa2b23188831a2c3157de1683e5ff7ee8551;hb=0d4c1b8b8da9e20c4bc9fb41ff1136283821b98e;hp=ff0d0afa317547a353cca729858b65852db72484;hpb=85ed5fa5dae0fe236584926824f7292b6e697e76;p=wrw.git

diff --git a/wrw/sp/cons.py b/wrw/sp/cons.py
index ff0d0af..bc9bfa2 100644
--- a/wrw/sp/cons.py
+++ b/wrw/sp/cons.py
@@ -40,7 +40,7 @@ class element(node):
         return self.__todom__(doc).toxml()
 
 class context(object):
-    charset = sys.getfilesystemencoding()
+    charset = (sys.getfilesystemencoding() or "ascii")
 
     def __init__(self):
         self.nodeconv = {}
@@ -60,6 +60,8 @@ class context(object):
         raise Exception("No node conversion known for %s objects" % str(type(ob)))
 
     def addchild(self, node, child):
+        if child is None:
+            return
         node.children.append(self.nodefrom(child))
 
     def addattr(self, node, k, v):
@@ -75,3 +77,9 @@ class constructor(object):
 
     def __getattr__(self, name):
         return self._elcls(self._ns, name, self._ctx)
+
+class doctype(node):
+    def __init__(self, rootname, pubid, dtdid):
+        self.rootname = rootname
+        self.pubid = pubid
+        self.dtdid = dtdid