The tag [New] in meta-title updated

vot

The tag [New] / [___] is appear int page meta-title when a notice occured about new PM.
Empty tag inside general spaces replaced was with nonbreakable spaces.

Fix:
http://code.google.com/p/discuzx-en/source/detail?r=178
http://code.google.com/p/discuzx-en/source/detail?r=179
http://code.google.com/p/discuzx-en/source/detail?r=180