landscape: ignore punctuation tokenizing URLs
landscape: ignore punctuation tokenizing URLs

Tiny fix to the URL regex so that it doesn't store punctuation marks (e.g. ",") inside the urls, breaking the links.

ngzax/urbit,ngzax/urbit,urbit/urbit,urbit/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit,urbit/urbit,urbit/urbit