I add it manually and it doesn't work
Enables - yes
Show in Menu - yes
Menu Order - 4
Custom tag: video:vimeo
Menu Description: Vimeo Video
User prompt hint from text editor: Vimeo URL; eg:
http://www.vimeo.com/xxxxxxMatching regex: (.+?)
Resulting markup: <object width="425" height="350"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://vimeo.com/moogaloop.swf?clip_id=\\\\1&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&color=&fullscreen=1" /><embed src="http://vimeo.com/moogaloop.swf?clip_id=\\\\1&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&color=&fullscreen=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="425" height="350"></embed>
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What's wrong?