It excludes all html tags and attributes except for those that are
whitelisted using the same lists as used by Mark Pilgrim's Universal Feed
Parser, documented at <http://feedparser.org/docs/html-sanitization.html>.
-Notably it strips `style`, `link`, and the `style` attribute.
+Notably it strips `style` and `link` tags, and the `style` attribute.
It uses the [[cpan HTML::Scrubber]] perl module to perform its html
sanitisation, and this perl module also deals with various entity encoding
content as anything else on the web, I cannot guarantee that it will
actually protect every user of every browser from every browser security
hole, badly designed feature, etc. I can provide NO WARRANTY, like it says
-in ikiwiki's [GPL](GPL) license.
+in ikiwiki's [[GPL]] license.
The web's security model is *fundamentally broken*; ikiwiki's html
sanitisation is only a patch on the underlying gaping hole that is your web
browser.
+Note that enabling or disabling the htmlscrubber plugin also affects some other
+HTML-related functionality, such as whether [[meta]] allows potentially unsafe
+HTML tags.
+
----
Some examples of embedded javascript that won't be let through when this
plugin is active:
-* <span style="background: url(javascript:window.location='http://example.org/')">test</span>
-* <span style="any: expression(window.location='http://example.org/')">test</span>
-* <span style="any: expression(window.location='http://example.org/')">test</span>
+* script tag test <script>window.location='http://example.org';</script>
+* <span style="background: url(javascript:window.location='http://example.org/')">CSS script test</span>
+* <span style="any: expression(window.location='http://example.org/')">entity-encoded CSS script test</span>
+* <span style="any: expression(window.location='http://example.org/')">entity-encoded CSS script test</span>