- make exporter and resulting XML more robust against not-well-formed   RSS feeds
- make exporter and resulting XML more robust against not-well-formed
  RSS feeds


git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@4642 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core