Translations:Help:Extension:Translate/Page translation administration/71/en

Unit markers. When page is marked for translation, the system will update the translatable page source and add unique identifiers for each translation unit. See example below. These markers are crucial for the system, which uses them to track changes to each translation unit. You should never add unit markers yourself. The markers are always on the line before the unit; or, if it starts with a header, after the first header on the same line. The different placement for headers is needed to keep section editing working as expected.