Visual diffs/pl

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This page is a translated version of the page Visual diffs and the translation is 8% complete.
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The visual diffs system highlights added text. (March 2017 version)

A visual diff compares and shows differences between rendered (or displayed) documents, as opposed to showing the text (or markup) that is used to format such documents.

Since 2017, the main approach for visual diffs in MediaWiki is the visual diffs system (pictured) provided by the VisualEditor extension, which compares the HTML of two documents. It provides visual diffs in VisualEditor's editing preview, as well as (still as a beta feature) in MediaWiki's standard diff display.

Previous attempts at visual diffs in MediaWiki include:

  • As part of their testing efforts, the Parsing team created the "Visual Diff Testing" tool (released around April 2016), which is a pixel differ of the page rendered as an image, used to identify differences between Parsoid and the legacy parser.

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