octpress error "Pygments can't parse unknown language: <br." ? no error file information given. 何処がエラーか分からない

gistfile1.txt

$ rake generate
## Generating Site with Jekyll
identical source/stylesheets/screen.css 
Configuration from /Users/akihito/git/octopress/_config.yml
Building site: source -> public
/Users/akihito/git/octopress/plugins/pygments_code.rb:27:in `rescue in pygments': Pygments can't parse unknown language: <br. (RuntimeError)
	from /Users/akihito/git/octopress/plugins/pygments_code.rb:24:in `pygments'
	from /Users/akihito/git/octopress/plugins/pygments_code.rb:14:in `highlight'
	from /Users/akihito/git/octopress/plugins/backtick_code_block.rb:37:in `block in render_code_block'
	from /Users/akihito/git/octopress/plugins/backtick_code_block.rb:13:in `gsub'
	from /Users/akihito/git/octopress/plugins/backtick_code_block.rb:13:in `render_code_block'
	from /Users/akihito/git/octopress/plugins/octopress_filters.rb:12:in `pre_filter'
	from /Users/akihito/git/octopress/plugins/octopress_filters.rb:28:in `pre_render'
	from /Users/akihito/git/octopress/plugins/post_filters.rb:112:in `block in pre_render'
	from /Users/akihito/git/octopress/plugins/post_filters.rb:111:in `each'
	from /Users/akihito/git/octopress/plugins/post_filters.rb:111:in `pre_render'
	from /Users/akihito/git/octopress/plugins/post_filters.rb:166:in `do_layout'
	from /Library/Ruby/Gems/2.0.0/gems/jekyll-0.12.0/lib/jekyll/post.rb:195:in `render'
	from /Library/Ruby/Gems/2.0.0/gems/jekyll-0.12.0/lib/jekyll/site.rb:200:in `block in render'
	from /Library/Ruby/Gems/2.0.0/gems/jekyll-0.12.0/lib/jekyll/site.rb:199:in `each'
	from /Library/Ruby/Gems/2.0.0/gems/jekyll-0.12.0/lib/jekyll/site.rb:199:in `render'
	from /Library/Ruby/Gems/2.0.0/gems/jekyll-0.12.0/lib/jekyll/site.rb:41:in `process'
	from /Library/Ruby/Gems/2.0.0/gems/jekyll-0.12.0/bin/jekyll:264:in `<top (required)>'
	from /usr/bin/jekyll:23:in `load'
	from /usr/bin/jekyll:23:in `<main>'

fixed https://twitter.com/BEARSunday/status/395768758066618368