Double-click on an equation to get the TeX source.

Also, some utf8 support improvements.

Errors like the following should be fixed now.

======================================================================
ERROR: test_content_html (tests.test_reconstitute.ReconstituteTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 43, in <lambda>
    func = lambda self, name=root: self.eval(name)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 27, in eval
    scrub(testfiles%name, results)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/scrub.py", line 148, in scrub
    xhtml = serializer.XHTMLSerializer(inject_meta_charset = False)
AttributeError: 'module' object has no attribute 'XHTMLSerializer'

======================================================================
ERROR: test_dc_lang (tests.test_reconstitute.ReconstituteTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 43, in <lambda>
    func = lambda self, name=root: self.eval(name)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 28, in eval
    reconstitute(results, results.entries[0]).writexml(work)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/reconstitute.py", line 275, in reconstitute
    content(xentry, 'title', entry.get('title_detail',None), bozo)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/reconstitute.py", line 171, in content
    parser = html5parser.HTMLParser(tree=dom.TreeBuilder)
AttributeError: 'module' object has no attribute 'TreeBuilder'

…mary_detail'

Fixes errors like the following :
======================================================================
ERROR: test_content_html (tests.test_reconstitute.ReconstituteTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 43, in <lambda>
    func = lambda self, name=root: self.eval(name)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 28, in eval
    reconstitute(results, results.entries[0]).writexml(work)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/reconstitute.py", line 267, in reconstitute
    id(xentry, entry)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/reconstitute.py", line 79, in id
    entry_id = (entry.summary_detail.base + "/" +
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/vendor/feedparser.py", line 416, in __getattr__
    raise AttributeError, "object has no attribute '%s'" % key
AttributeError: object has no attribute 'summary_detail'

Fixes :
======================================================================
FAIL: test_missing_item_pubDate (tests.test_reconstitute.ReconstituteTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 43, in <lambda>
    func = lambda self, name=root: self.eval(name)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 38, in eval
    self.assertEqual(eval(rhs), eval(lhs, results.entries[0]))
AssertionError: (2006, 6, 21, 13, 16, 41, 2, 172, 0) != time.struct_time(tm_year=2014, tm_mon=1, tm_mday=27, tm_hour=17, tm_min=16, tm_sec=24, tm_wday=0, tm_yday=27, tm_isdst=0)

----------------------------------------------------------------------

Fix errors like:
======================================================================
ERROR: test_spiderFeed_retroactive_filter (tests.test_spider.SpiderTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_spider.py", line 82, in test_spiderFeed_retroactive_filter
    self.spiderFeed(testfeed % '1b')
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_spider.py", line 50, in spiderFeed
    writeCache(feed_uri, feed_info, data)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/spider.py", line 232, in writeCache
    output = shell.run(filter, output, mode="filter")
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/shell/__init__.py", line 62, in run
    return module.run(template_resolved, doc, None, options)
  File "/usr/lib/python2.7/dist-packages/py/_apipkg.py", line 122, in __makeattr
    raise AttributeError(name)
AttributeError: run

Fix errors like:
======================================================================
ERROR: test_apply_classic_fancy (tests.test_apply.ApplyTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_apply.py", line 54, in test_apply_classic_fancy
    self.apply_fancy()
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_apply.py", line 84, in apply_fancy
    splice.apply(self.feeddata)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/splice.py", line 142, in apply
    output_file = shell.run(template_file, doc)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/shell/__init__.py", line 66, in run
    module.run(template_resolved, doc, output_file, options)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/shell/tmpl.py", line 256, in run
    tp.set(key, value)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/vendor/htmltmpl.py", line 441, in set
    "be either a scalar or a list." % var
TemplateError: Htmltmpl error: Value of toplevel variable 'date' must be either a scalar or a list.

Fix errors like :
======================================================================
ERROR: test_georss_box_latlong (tests.test_reconstitute.ReconstituteTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 43, in <lambda>
    func = lambda self, name=root: self.eval(name)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_reconstitute.py", line 26, in eval
    results = feedparser.parse(data)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/vendor/feedparser.py", line 4001, in parse
    saxparser.parse(source)
  File "/usr/lib/python2.7/dist-packages/drv_libxml2.py", line 208, in parse
    eltName,eltQName,attributesNSImpl)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/vendor/feedparser.py", line 1801, in startElementNS
    raise UndeclaredNamespace, "'%s' is not associated with a namespace" % givenprefix
UndeclaredNamespace: 'georss' is not associated with a namespace

Fix errors like this:
======================================================================
ERROR: test_django_entry_title (tests.test_filter_django.DjangoFilterTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/tests/test_filter_django.py", line 26, in test_django_entry_title
    os.path.realpath('tests/data/filter/django/title.html.dj'), input)
  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/shell/dj.py", line 26, in run
    TEMPLATE_DIRS=(os.path.dirname(script),)
  File "/usr/lib/python2.7/dist-packages/django/conf/__init__.py", line 89, in configure
    raise RuntimeError('Settings already configured.')
RuntimeError: Settings already configured.

I hope this isn't critical to the planet.

Solves errors like :
ERROR:planet.runner:TypeError: 'NoneType' object has no attribute '__getitem__'
ERROR:planet.runner:  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/spider.py", line 480, in spiderPlanet
    writeCache(uri, feed_info, data)
ERROR:planet.runner:  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/spider.py", line 167, in writeCache
    scrub.scrub(feed_uri, data)
ERROR:planet.runner:  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/scrub.py", line 149, in scrub
    node['value'] = ''.join([str(token) for token in tree])
ERROR:planet.runner:  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/vendor/html5lib/serializer/htmlserializer.py", line 199, in serialize
    for token in treewalker:
ERROR:planet.runner:  File "/home/olivier/svn/svn.debian.org/python-apps/planet-venus/git-svn/planet-venus/planet/vendor/html5lib/filters/optionaltags.py", line 18, in __iter__
    type = token["type"]

Conflicts:
	planet/reconstitute.py
	planet/vendor/feedparser.py
	planet/vendor/html5lib/sanitizer.py

Update for feedparser 5.2.x

We were doing georss_box and georss_polygon wrong anyway.