Tkinter classes.
Adjust a lot of docstrings.
Convert a few type checks to use isinstance() instead of type().
This is part of SF patch #485959.

but compiles OK.

Jack: I hope I didn't break anything for you!

Untabified.

[ #429329 ] actual-parameters *arg, **kws not doc'd

at present.

for "online" (as opposed to typeset) formats.

Converted to use "".startswith() to avoid slicing (& temp string creation).

docstring.
This closes SF bug #485794.


Additional (very) small details were added.

on the return values from isleap().  Also checks firstweekday() and
setfirstweekday().

The cause seems to be that when a file URL doesn't exist,
urllib.urlopen() raises OSError instead of IOError.  Simply add this
to the except clause.  Not elegant, but effective. :-)

a little.

that still fails under -Qnew, and is so tied to details of current
behavior that fixing it before new division becomes the default is
impractical.

Minor, but generates slightly smaller HTML & makes it easier to see what's
happening when debugging the HTML.

>
> When using 'distutils' (shipped with Python 2.1) I've found that my
> Python scripts installed with a first line of:
>
> #!/usr/bin/python2.1None
>
> This is caused by distutils trying to patch the first line of the python
> script to use the current interpreter.

delivered bizarre results.  Check float_divmod for a Py_NotImplemented
return and pass it along (instead of treating Py_NotImplemented as a
2-tuple).
CONVERT_TO_DOUBLE:  Added comments; this macro is obscure.

division functions, and rename to float_floor_div.

an object's deallocator, including an example of how to do this.

PyDict_UpdateFromSeq2():  removed it.
PyDict_MergeFromSeq2():  made it public and documented it.
PyDict_Merge() docs:  updated to reveal <wink> that the second
argument can be any mapping object.

will be replaced shortly.  See the comments for more details.

line was not indented at all, so the example is no longer indented at all.
All of the errors being shown remain.

Typo: characteru --> character