File talk:Arenephotocycloadditions.svg
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After the first and second upload, the file still displayed as the original (wrong) version. After uploading a third time (this time copying all visible and correct elements to a new svg file), the previews from the first and second upload displayed correctly and the third upload again showed as the original, wrong file. After the revert to the second version, it now seems in order. --Lpd-Lbr (對話) 12:59, 31 May 2019 (UTC)