Added some dependencies to some of the HTML generation targets.

how to exit (in a platform dependent way!).  We use os.sep to
determine which platform we're on, since I expect that this will work
better for minority platforms.

with examples and workaround.  This keeps coming up, and I believe
that this section in the tutorial may have been (in part) the source
of the confusion.  While it didn't show examples with [] for a default,
it also didn't emphasize enough why that would be a bad idea, and
while it did say that defaults are evaluated at the point of function
definition, the example was not relevant for this issue.

chapters.

which replace the existing internet chapter.

Don't use CL module since all constants are now in cl.

Fixed infinite loop when a message ends prematurely in some
circumstances.

Date: Fri, 7 Aug 1998 13:37:12 +0100

the "initialcolor" code is broken in several places in the
current version of tkColorChooser.  I've attached an up-
dated version for 1.5.2.

(The alternative would be to call self.checker.note() but since
self.checker might be None that's not quite right.

This ensures that the text version uses latex2html's -split 1 option, without
affecting HTML produced in the same run, and also minimizes the number of
l2h runs needed if --split 1 was used for an HTML run.

present) that refers to the section name.  Also added a (slightly)
better InterpolationError error message, which includes the raw
string.

Also added two XXX comments about lingering thread unsafeness.