making displayed URLs break gracefully; using code by Joe Wicentowski (http://markmail.org/message/ssuj5amh2ywj772m)
missed (own) commit 7497225d38a086c2535ce2b20212f6ac6e3e3674
typo
URLs that are to be copied cannot contain zero-width space
Merge pull request #154 from jensopetersen/master

making displayed URLs break gracefully