Teach link encoding function to convert spaces to underscores
Teach link encoding function to convert spaces to underscores

Only occurs when space_to_underscore is set to true.

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

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