Broken 'Blog Categories' panel when viewing 'Releases' category

Steps:

• Go to http://www.xwiki.org/xwiki/bin/view/Blog/
• From the 'Blog Categories' panel click on 'Releases'
• The 'Blog Categories' panel transforms from okBlogCategories.png to bugBlogCategories.png
• Now all the link inside the panel become:
  • \D\e\v\e\l\o\p\m\e\n\t >> \/\x\w\i\k\i\/\b\i\n\/\v\i\e\w\/\B\l\o\g\/\D\e\v\e\l\o\p\m\e\n\t
  • \R\e\l\e\a\s\e\s >> \/\x\w\i\k\i\/\b\i\n\/\v\i\e\w\/\B\l\o\g\/\R\e\l\e\a\s\e\s
  • etc.

Happens on xwiki.org on 7.1.1