[3.1.1] General munge improvements

- Add CurrentCSSProperty context variable
- Move Munge to its own class, derived off of SecureMunge.
- Rename %URI.SecureMunge to %URI.Munge
- Rename %URI.SecureMungeSecretKey to %URI.MungeSecretKey
- Add extra substitutions for munge

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1803 48356398-32a2-884e-a903-53898d9a118a

NEWS

@@ -12,14 +12,19 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
 3.1.1, unknown release date
 ! More robust imagecrash protection with height/width CSS with %CSS.MaxImgLength,
   and height/width HTML with %HTML.MaxImgLength.
-! %URI.SecureMunge for secure URI munging (as opposed to %URI.Munge). Be sure
-  to set %URI.SecureMungeSecretKey when using this directive. Thanks Chris
-  for sponsoring this feature.
+! %URI.SecureMunge for secure URI munging (as opposed to %URI.Munge). Thanks Chris
+  for sponsoring this feature. Check out the corresponding documentation
+  for details. (Att Nightly testers: The API for this feature changed before
+  the general release. Namely, rename your directives %URI.SecureMungeSecretKey =>
+  %URI.MungeSecretKey and and %URI.SecureMunge => %URI.Munge)
 ! Implemented post URI filtering. Set member variable $post to true to set
   a URIFilter as such.
 ! Allow modules to define injectors via $info_injector. Injectors are 
   automatically disabled if injector's needed elements are not found.
 ! Support for "safe" objects added, use %HTML.SafeObject and %HTML.SafeEmbed.
+! Added substitutions for %e, %n, %a and %p in %URI.Munge (in order,
+  embedded, tag name, attribute name, CSS property name). See %URI.Munge
+  for more details.
 - Disable percent height/width attributes for img
 - AttrValidator operations are now atomic; updates to attributes are not
   manifest in token until end of operations. This prevents naughty internal
@@ -67,6 +72,8 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
 . URIFilter->prepare can return false in order to abort loading of the filter
 . Factory for AttrDef_URI implemented, URI#embedded to indicate URI that embeds
   an external resource.
+. %URI.Munge functionality factored out into a post-filter class.
+. Added CurrentCSSProperty context variable during CSS validation
 
 3.1.0, released 2008-05-18
 # Unnecessary references to objects (vestiges of PHP4) removed from method