Take a text buffer with more than a single line, copy the content and try launching the messaging-app with a URI, which contains the content of that buffer. I think tiagosh knows the format of the URI. You notice the text in the messaging-app is then all in single line.
** Changed in: messaging-app (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to messaging-app in Ubuntu. https://bugs.launchpad.net/bugs/1479076 Title: Does not process %0A line feed symbol Status in messaging-app package in Ubuntu: New Bug description: Follow up on: https://bugs.launchpad.net/messaging-app/+bug/1382623 The app does not process line feed (%0A) symbol when passed in URL (see bug above for reference). phablet@ubuntu-phablet:~$ system-image-cli -i current build number: 24 device name: krillin channel: ubuntu-touch/stable/bq-aquaris.en last update: 2015-07-22 14:36:08 version version: 24 version ubuntu: 20150713 version device: 20150529-8e13c5f version custom: 20150709-814-29-21-vivid To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/messaging-app/+bug/1479076/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp