* if LinkValueTo starts with __CustomField__ then don't
  escape it, but make sure it's not a JS link
* we must escape links using HTML escaping
* don't check CF's LinkValueTo, just call value's method
* don't wrap if link is empty

    The reason for this change is that when your RowsPerPage search
    option is unset, it appears that the default is 50, rather than 20.
    And there also appears to be no system-wide default for RowsPerPage,
    so this is the next best thing.

Trap that, overriding RT's die handler so we can give users a friendly
error message

Conflicts:
	bin/fastcgi_server.in
	configure.ac

move this method into Overlay.pm bythe way

Leave table, tr, th and td. We ignore thead, tbody and tfoot, don't
see any good in these. The same applies to colgroup, col elements.

colspan and rowspan attributes are limitted to number.

align and valign attributes are limitted to values defined in HTML 4.01
spec.

if database is Pg or mysql but ApacheSessionClass option is
set to ::File then sessions were storred in /tmp/

This does not address the fact that any other changes (status, owner,
cfs, etc) are also lost.

Set up a global custom field on tickets and then search for tickets with
id < 100 and click on the Spreadsheet link.

If you don't have Queue in your search query, Parse::BooleanLogic is
going to return [] and we'll _OpenParen and then _CloseParen without
inserting clauses between them.  DBIx::SearchBuilder::MayBeNull then
goes into an infinite loop and you never get your tsv.

latin1 is a special character set in perl, so every time
we test support for unicode we should run all tests on latin1 only
strings and some not-ascii+not-latin1 text