[ic] One-line patch for more_link_template

[Carl Bailey]

IC-Users,

Here's a one-line patch for sub more_link_template (Interpolate.pm),  
that prevents the links from having empty/useless 'mv_arg=' added to  
the link by tag_area().

http://github.com/carlbailey/interchange/commit/b4b6f8b42d93ed77842d81c11a16fcbbffb77180

If you're like me you always shy away from looking at the nastiness  
that are more-link URL's, but a recent client problem forced the  
issue, and there I was.  More discussion in the commit message.  Your  
comments welcome, as always.

Carl
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Carl Bailey
t: 919-323-8025
carl at endpoint.com
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