But officially when " isn't being used to delimit attribute values it must be written in entity form: "
Reference?
My bad...
XHTML1.1 derives from XHTML1.0 Strict which derives from HTML4.01 Strict
...Which mentions this about quote entities:
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http://www.w3.org/TR/html4/charset.html#h-5.3.2
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Four character entity references deserve special mention since they are frequently used to escape special characters:
* "<" represents the < sign. * ">" represents the > sign. * "&" represents the & sign. * "" represents the " mark.
...
Some authors use the character entity reference """ to encode instances of the double quote mark (") since that character may be used to delimit attribute values.
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So its official... its not required in HTML4.01, but sort-of 'recommended'.
I couldn't find anything about it in XHTML1.1, but imho, I wouldn't risk it.
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