Add some specs for unterminated links
Add some specs for unterminated links

With more to come (there are many ways in which a link might be
unterminated).

Signed-off-by: Wincent Colaiuta <c76ac2e9cd86441713c7dfae92c451f3e6d17fdc@wincent.com>

barnaclebarnes/wikitext,barnaclebarnes/wikitext,wincent/wikitext,geni/wikitext,wincent/wikitext,geni/wikitext,barnaclebarnes/wikitext,geni/wikitext