jsp - Is usage of <c:out> tag with escapeXml="false" equivalent to not using <c:out> tag? -


i have read using <c:out> tag prevent xss attacks cases, example, displaying units superscript (kg/m3) using <c:out> displayed plain text sup tag (kg/m<sup>3</sup>). in order display properly, escapexml="false" has used. 

<c:out value="${units}" escapexml="false></c:out>

but wondering whether using <c:out> tag escapexml="false" equivalent not using <c:out> tag itself?

<c:out value="${units}" escapexml="false" />

this indeed equivalent not using <c:out>, only in jsp 2.0 or newer. 

${units}

in older jsp versions (jsp 1.x), el in template text above not supported , therefore <c:out> way print el expressions.

see also:


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