4.1: proxy errors, formatting w/ scribbish and markdown

Hi, Folks -

I've upgraded my blog to 4.1 and hit a couple snags - I
wonder if  
anyone here has solved these already:

1)  I reverse proxy for mongrel with Apache, and everything
was  
perfect under 4.0.  In 4.1, on POST requests, often I get an
error  
from mod_proxy, to the effect that the upstream server
didn't respond  
properly.   In fact, the requests succeeded, something just
made  
mod_proxy grumpy.

2)  Blocks of text that start with 4 spaces under MarkDown,
to get  
the green-screen effect (under scribbish) used to look
perfect under  
4.0.  Under 4.1, the first line of text is OK, but
subsequent lines  
are heavily indented.  Example:

   http://blog.bfccomputing.com/articles/2007/03
/30/tracking-blog-spam

I haven't yet looked into either further - figured I'd ask
if anybody  
else had already seen/solved these first.

Thanks,
-Bill

-----
Bill McGonigle, Owner           Work: 603.448.4440
BFC Computing, LLC              Home: 603.448.1668
billbfccomputing.com           Cell: 603.252.2606
http://www.bfccomputing.
com/    Page: 603.442.1833
New Blog: http://blog.bfccomputin
g.com/
VCard: http://bfccomp
uting.com/vcard/bill.vcf

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