s:default

Set default value for a variable.

NOTE: Default does not change a variable if it's already set.
INPUT
<s:default var="x">
    3
</s:default>
<s:put> x </s:put>
OUTPUT
3
☼ ☼ ☼ anotomy ☼ ☼ ☼
name=""  var=""  
Required

The variable name that we want to set the default value for.