<% define t1 %>
  [t1]<% $V{v} %><% $V{w} %>[/t1]
<% /define %>

=========
  <% $V{v} %>
=========
<% OUT TX::include '#t1', {VMODE=>uc($V{v})}, w=>'w'; '';
%>=========
<% $TX::TX->include( 'lib#m1', {VMODE=>lc($V{v}), OUTPUT=>''}, w=>'w' ); '';
%>=========
<% include 'lib#m2', {VMODE=>ucfirst($V{v})}, w=>'w'; '';
%>=========