[2.1.2] Implement border-spacing

- Fix PH5P testing in PHP4

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1401 48356398-32a2-884e-a903-53898d9a118a

TODO

@@ -11,9 +11,6 @@ If no interest is expressed for a feature that may required a considerable
 amount of effort to implement, it may get endlessly delayed. Do not be
 afraid to cast your vote for the next feature to be implemented!
 
-ASAP release [As Soon As Possible]
- - Add border-spacing CSS property
-
 2.2 release [Error'ed]
  # Error logging for filtering/cleanup procedures
  - XSS-attempt detection
@@ -67,7 +64,6 @@ Ongoing
 
 Unknown release (on a scratch-an-itch basis)
  # CHMOD install script for PEAR installs
- ? Semi-lossy dumb alternate character encoding transfor
  ? Have 'lang' attribute be checked against official lists, achieved by
    encoding all characters that have string entity equivalents
  - Abstract ChildDef_BlockQuote to work with all elements that only
@@ -78,7 +74,6 @@ Unknown release (on a scratch-an-itch basis)
  - Implement lenient <ruby> child validation
  - Explain how to use HTML Purifier in non-PHP languages / create
    a simple command line stub (or complicated?)
- - Improve __autoload integration, remove directory inclusion
  - Fixes for Firefox's inability to handle COL alignment props (Bug 915)
  - Automatically add non-breaking spaces to empty table cells when
    empty-cells:show is applied to have compatibility with Internet Explorer
@@ -88,7 +83,7 @@ Requested
 Wontfix
  - Non-lossy smart alternate character encoding transformations (unless
    patch provided)
- - Pretty-printing HTML, users can use Tidy on the output on entire page
+ - Pretty-printing HTML: users can use Tidy on the output on entire page
  - Native content compression, whitespace stripping (don't rely on Tidy, make
    sure we don't remove from <pre> or related tags): use gzip if this is
    really important