Bug#787355: [RC][cc-by-nc-sa] Please clarify license of a few svg files

[bastien ROUCARIÈS <roucaries.bastien+debian@gmail.com>]

Package: src:openclipart2 
Version: 2.0+dfsg-1
Severity: serious
user: lintian-maint@debian.org
usertags: license-problem-cc-by-nc-sa

Hi,

Could you please clarify the license of:
    clipart/worms_x/worms_x_French_butter_croissant.svg
    clipart/rugby471/rugby471_Tango_Style_Cheese_Wheel.svg
    clipart/pbhj/pbhj_this_class_is_FULL_sorry.svg
    clipart/nodanero/nodanero_Cheese.svg
    clipart/klepas/klepas_Movie_night_ticket.svg
    clipart/hyoga/hyoga_Chile.svg
    clipart/fejack/fejack_2009_calendar.svg
    clipart/dniezby/dniezby_Scene_Slate.svg
    clipart/dniezby/dniezby_Reflected_Scene_Slate.svg
    clipart/dniezby/dniezby_Pencil_13.svg
    clipart/dniezby/dniezby_Pencil_12.svg
    clipart/dniezby/dniezby_Pencil_11.svg
    clipart/dniezby/dniezby_Pencil_10.svg
    clipart/dniezby/dniezby_Film_reel.svg
    clipart/bsantos/bsantos_No_respect_for_pedestrians.svg
    clipart/artfloid/artfloid_dauphin.svg
    clipart/artfloid/artfloid_2_motos_de_face_2.svg
    clipart/artfloid/artfloid_2_motos_de_face.svg
    clipart/antontw/antontw_Monkey.svg
    clipart/SRD/SRD_Bundle_of_Hearts.svg
    clipart/BHSPitMonkey/BHSPitMonkey_Old_School_Game_Controller_2.svg
    clipart/BHSPitMonkey/BHSPitMonkey_Old_School_Game_Controller.svg

claimed on source to be cc-by-nc-sa, thus non free.

If it is really a non free image please purge these files.

If it is a false positive please override like in 
http://sources.debian.net/src/freecad/0.14.3702%2Bdfsg-3/debian/source/lintian-overrides/
and add a changelog entry and a full explanation on debian/copyright. You may 
ask upstream to remove this cc-by-sa-nc tag on the svg file

Bastien

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