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HTML Help: HTML Code Case Sensitivity
Are you supposed to code HTML tags in upper case or lower case?Technically, HTML elements and attributes are not case sensitive, so it's a matter of personal preference.
In XHTML lower case is required. It's always possible that a future version of HTML may require lower case tags as the "powers that be" continue their quest for more consistency.
I always code tags in lower case and I recommend others do the same. It may save you a lot of updating at a later time.
Note that while attributes are not case sensitive, some attribute values ARE case sensitive. For example:
<a name="map">...is not the same as:
<a name="Map"> or <a name="MAP">.
This concludes the
HTML Help about HTML Code Case Sensitivity. Based on your interest in this FAQ, you might also be interested in my 4-part Introduction to HTML, or more specifically, the Attributes and Values Tutorial.
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