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Proper support for name attribute in <a> and <img>

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Prior to this commit, the name attribute was unilaterally removed, except
for Strict doctypes or a heavy TidyLevel, when it was converted to an id
attribute. As name is actually permitted in both HTML 4.01 Strict and
XHTML 1.0 Strict, although deprecated, the more sensible default behavior
is to allow it unless TidyLevel is heavy.

Our implementation is slightly stricter than the specs, as name attributes are
treated as first class IDs, disallowing <a name="foo" id="foo"> or duplicate
names. The former should be treated as a special case, but that will be
a separate commit.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
This commit is contained in:
Edward Z. Yang
2008-06-27 15:44:27 -04:00
parent f8b47c64dd
commit fd384129bf
10 changed files with 80 additions and 24 deletions
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NEWS
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@@ -15,6 +15,9 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
! %Output.AttrSort for when you need your attributes in alphabetical order to
deal with a bug in FCKEditor. Requested by frank farmer.
! Enable HTML comments when %HTML.Trusted is on. Requested by Waldo Jaquith.
! Proper support for name attribute. It is now allowed and equivalent to the id
attribute in a and img tags, and is only converted to id when %HTML.TidyLevel
is heavy (for all doctypes).
. Strategy_MakeWellFormed now operates in-place, saving memory and allowing
for more interesting filter-backtracking