ProofreadPage uses images in some special ways do not always generate a record on imagelinks table. This behavior is well-known and has been addressed on some places to date as on Special:GlobalUsage @ Wikimedia Commons [1].
The absence of a record on imagelinks table not only breaks some statistics and monitoring tasks, but it also creates challenges for those interested to fork, mirror or pre-parse XML dumps for offline usage relying on imagelinks.sql.gz Wikisource wikis.
Please add an automated way to create records on imagelinks table for images used by ProfreadPage extension.
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I've made two workarounds for pt.wikisource, but those workarounds are very hard to generate or maintain. For the record, [2] tracks individual files containing only one page digitized and [3] contains the multipage file formats.
pt.wikisource and the most majority of Wikisources already have a workaround for multipage files (rendering the cover or title page directly on Index: page) but this method isn't guaranteed to always work since some Index pages don't/won't render it for some unknown reason (maybe new users that don't known how to do it or even the absence of a scanned page to properly illustrate the digitization set?).
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[1] - https://commons.wikimedia.org/wiki/MediaWiki:Globalusage-filterlocal
[2] - https://pt.wikisource.org/wiki/Utilizador:555/force_pagelinks_table_record/001
[3] - https://pt.wikisource.org/wiki/Utilizador:555/force_pagelinks_table_record/ext001