empty metadata elements

All

not sure if this is OT( - if so can someone point me to a useful place ;-))

Consider a hypothetical situation where a metatag with no content is included in the page mark-up
 e.g <meta name="foo" content="" />

What implications will this have? 

tia
Julian


Julian Scarlett
Education Web Officer
Information Systems
Education Directorate 
35612

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