Warnings of valid HTML5 attributes in Eclipse

Question

I use Eclipse and I write jsp files with HTML5 content. So I have for example this line:

I

Answer 1

Newer versions of Eclipse support HTML5 tags and the data-* attributes allowed in HTML5. However, when using the role attribute the proper syntax according to the ARIA Roles Model and XHTML Role Attribute Module is not to prefix the role attribute with data-* leaving just role and not data-role.

So

is more correct than
. The validity of the syntax can be checked using the (X)HTML5 Validator. jQuery Mobile uses quite extensively the data-role attribute, though I'm not sure why.

Note: If you upgrade and you're still getting warnings on data-* attributes you may want to consider updating or removing any installed syntax-checkers such as JTidy. As of Indigo Service Release 1 the role attribute continues to trigger an undefined attribute warning in Eclipse by default.