different values in the environ dict with the same key (although he
couldn't explain exactly how this came to be).  Since getenv() uses
the first one, Python should do too. (Some doubts about case
sensitivity, but for now this at least seems the right thing to do
regardless of platform.)

In splithost, accept empty host part in URLs.  This is required for
file URLs that can have an empty host part.  For such URLs, we should
not return the initial 2 slashes as part of the file name.

Updated comments on several remaining modules.

<danielb@digitalfocus.com>.

Added credit to Martin von Loewis for creating the module and
documentation.

described in the sub-sections are directly available at the module
level.  He found this confusing.

table at the front of the chapter) a hyperlink.

Barcla <danielb@digitalfocus.com>.

Also added example of what happens when a parameter is set both
positionally and by a keyword (one of Daniels suggestions related to
that paragraph).

incomplete; I don't remember what else I thought I was going to put
in, but it looks o.k. to me know.

for the manual class go one deeper than it previously did (\subsection
entries will now be numbered); no change for howto documents.

This makes it easier to refer precisely to smaller sections using \ref.

to make it clear that these are instance attributes, not module data.

Make reference to the copy_reg module a hyperlink.

		    cannot be byteswapped.

exceptions.

When raising NotANumber, pass the string that failed as the exception
value.

versions.  XXX comments only need to be grep-able.

implemented in Python.

similar constructs elsewhere (al/AL, gl/GL/DEVICE).

Add an index entry.

to 4.

additions from Moshe's version.  Used my table for describing the
chunk format, and added some markup and index entries.

Break some other cycles too (and destroy the root when done).