Revert to using genshi.builder.tag because the code is not yet compat…

…ible with trac.util.html.tag

genshi.builder.tag converts attribute names like 'data_base_url' to 'data-base-url' which makes them accessible by jQuery's .data() API. trac.util.html.tag does not do that.

fixes regression in fa7cdff

code_comments/subscription.py

@@ -6,11 +6,11 @@
 from trac.admin import IAdminCommandProvider
 from trac.attachment import Attachment, IAttachmentChangeListener
 from trac.core import Component, implements
-from trac.util.html import html as tag
 from trac.versioncontrol import (
     RepositoryManager, NoSuchChangeset, IRepositoryChangeListener)
 from trac.web.api import HTTPNotFound, IRequestHandler, ITemplateStreamFilter
 
+from genshi.builder import tag
 from genshi.filters import Transformer
 
 from code_comments.api import ICodeCommentChangeListener