At the time of the last Lintian run, the following possible problems were found in packages maintained by Tobias Winchen <email@example.com>, listed by source package. See also the full report, including info, experimental and overridden tags. Also see their QA overview.
engauge-digitizer (10.10+ds.1-1) §
- dev/gnome/engauge-digitizer.appdata.xml (cc0 != gpl-2+)