X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=wrw%2Fsp%2Fcons.py;h=0c36458f8af3b99d84a5dc70470a4d05db7484ea;hb=919b8a4ff35da1fce73f238754ef376705c52e18;hp=cb9d451b7984948958058d89dfe73a82ced37ef4;hpb=784495582d53f5b759dd216ddd1268fbe2479bb9;p=wrw.git

diff --git a/wrw/sp/cons.py b/wrw/sp/cons.py
index cb9d451..0c36458 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 = {}
@@ -59,6 +59,8 @@ 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):
@@ -74,3 +76,9 @@ 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