Modify tests so that thread execution is actually interleaved; the old
version ended up having one thread run to completion, then the next, etc.

Use explicit counter to keep track of child threads, rather than
counting on long sleep to be long enough.

(2 remain)

create an object in a specified location on PUT.  PUT is also public
now, since it handles security by itself.

of the new location rather than the old.

* Converted fragile aq_* getattr operations to use the new(ish) module-scope
functions available in Acquisition.

still isn't supported when using replace -- too bad.

* Merge fix for Collector #1975 ('_verifyObjectPaste' uses metatype
  permission, if available).

three.

insertStructure() is used.

them now?)

explicit handler on untranslated.

As long as there's a DOCTYPE declaration (*any* doctype declaration),
entity references are passed to this handler as well.

be taken care of by the DefaultHandler that I'm adding to TALParser.

the generated XML for repeated elements.  This also required slightly
refactoring the way beginScope/endScope are emitted for repeated
element: now we open and close two scopes if an element has both a
tal:define and a tal:repeat attribute -- just like TALParser does.

preceding whitespace into the repeated stuff for a loop: if a repeated
element is preceded by a newline possibly followed by whitespace,
repeat that newline and whitespace for each loop iteration.  This
makes the generated XML look better.

following whitespace back out of the instruction stream.  This can be
used to make the output for loops look nicer.

redundant namespace declaration for the xml prefix when we see <elem
xml:attr="">.

xml:attr=""> without an xmlns declaration.