just noticed that when viewing an article that has an image, a thumbnail is created id_thumb.png.
this thumbnail is used in several views.
When editing the article and deleting the image in the article, the id_thumb.png is not deleted and therefore keeps getting displayed in the views.
this is not correct: it should display the default thumbnail-small/big.png
Also: when the thumbnail is created and the image in the article is changed, the thumbnail does not get recreated to reflect the new article image. This is also not correct.
hope this helps!
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