in reply to Template reserved words

You can get around the unfortunate choice of keys by using Variable Interpolation: 
[% FOR line IN xml %]
[%  size_key = 'size';
    value_key = 'value';
    line.$size_key.$value_key %]
[% END %]

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This assumes you are using Template::Toolkit, of course.

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

In Section Seekers of Perl Wisdom