Merge branch 'python3' of git.dolda2000.com:/srv/git/r/wrw into python3

diff --combined wrw/resp.py
index bdceb90,69635f8..ebd98ec
--- 1/wrw/resp.py
--- 2/wrw/resp.py
+++ b/wrw/resp.py
@@@ -70,5 -70,10 +70,11 @@@ class redirect(dispatch.restart)
      def handle(self, req):
          req.status(self.status, "Redirect")
          req.ohead["Location"] = proto.appendurl(proto.requrl(req), self.url)
 +        req.ohead["Content-Length"] = 0
          return []
+ 
+ class unmodified(dispatch.restart):
+     def handle(self, req):
+         req.status(304, "Not Modified")
+         req.ohead["Content-Length"] = "0"
+         return []

diff --combined wrw/sp/xhtml.py
index 52e7f9f,662c171..5f1ca45
--- 1/wrw/sp/xhtml.py
--- 2/wrw/sp/xhtml.py
+++ b/wrw/sp/xhtml.py
@@@ -53,11 -53,10 +53,12 @@@ def forreq(req, tree)
      req.ohead["Content-Type"] = "text/html; charset=utf-8"
      buf = io.BytesIO()
      htmlindenter.output(buf, tree, doctype=(doctype, dtd), charset="utf-8")
 -    return [buf.getvalue()]
 +    ret = buf.getvalue()
 +    req.ohead["Content-Length"] = len(ret)
 +    return [ret]
  
  def xhtmlresp(callable):
      def wrapper(req):
          return forreq(req, callable(req))
+     wrapper.__wrapped__ = callable
      return wrapper