In the function _diff_body_rows($old_node, $new_node, $state = 'raw') - file diff.pages.inc
at row 366 'data' => t('Changes to %name', array('%name' => $node_diff['#name'])), the placeholder never get translated.
"Changes to" gets translated and if I remove the placeholder the string in $node_diff['#name'] get's translated.
Best regards
Peder Andersen
Closed: outdated
3.2
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Given the proximity of EOL for Drupal 7, marking this as won't fix. The likely final Drupal 7 release of diff has landed in https://www.drupal.org/project/diff/releases/7.x-3.5 → . If this is something still applicable to a more modern version of the module, feel free to re-open and post additional notes.