XZise added a comment.
Okay with Wikivoyage it seems it's not related to Wiktionary, the case sensitivity
setting and the language French. The result itself is interesting because the symmetric
difference contains two pages in namespace 0 while the check afterwards only mentions one
page and in theory it should mention all pages of the symmetric difference which were in
the namespaces 0 and 1. There seems to be no link to a talk page which has “שיחה” as a
prefix (or the other way around).
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