CX2 should clean up its output and remove span tags who are internal to VE, rather than putting them in the resulting article
Example on frwiki "Tommaso Piroli" : original translation with the following content
- <span data-ve-ignore="true"></span>
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Description
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We may want to investigate if this is a specific issue of ContentTranslation, VisualEditor, or Parsoid
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This is still happening, six years later. See https://en.wikipedia.org/w/index.php?title=Abdourahamane_Soli&oldid=1303063596
There are nonexistent template pages imported:
<templatestyles src="Vorlage:IconExternal/styles.css" />
There are extraneous span and cite tags:
<cite class="citation book cs1" data-ve-ignore="true">''Abdourahmane Idrissa, Samuel Decalo: Historical Dictionary of Niger'' (4th ed.). Scarecrow. 2012. p. 414. [[ISBN (identifier)|ISBN]] [[Special:BookSources/978-0-8108-6094-0|<bdi>978-0-8108-6094-0</bdi>]].</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Abdourahmane+Idrissa%2C+Samuel+Decalo%3A+Historical+Dictionary+of+Niger.&rft.pages=414&rft.edition=4th&rft.pub=Scarecrow&rft.date=2012&rft.isbn=978-0-8108-6094-0&rfr_id=info%3Asid%2Fen.wikipedia.org%3AAbdourahamane+Soli" class="Z3988" data-ve-ignore="true"></span>
Why can't the translator filter this stuff out? There are multiple open bugs on issues similar to this, like T218420 and T287936, some of which have been open for four to six years.