It's intentional, if now regretted.

From Template-Toolkit/source/lib/Template/Stash.pm

#---------------------------------------------------------------------
+---
# undefined($ident, $args)
#
# Method called when a get() returns an undefined value.  Can be redef
+ined
# in a subclass to implement alternate handling.
#---------------------------------------------------------------------
+---
 
sub undefined {
    my ($self, $ident, $args) = @_;
 
    if ($self->{ _STRICT }) {
        # Sorry, but we can't provide a sensible source file and line 
+without
        # re-designing the whole architecture of TT (see TT3)
        die Template::Exception->new(
            $UNDEF_TYPE, 
            sprintf(
                $UNDEF_INFO, 
                $self->_reconstruct_ident($ident)
            )
        ) if $self->{ _STRICT };
    }
    else {
        # There was a time when I thought this was a good idea. But it
+'s not.
        return '';
    }
}

[download]

In reply to Re^4: Undef value in Template Toolkit by mikelieman
in thread Undef value in Template Toolkit by DreamT

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.