`$new_title` and `$new_slug` can be null if `get_sample_permalink_html()`
was called with default parameters, and they are documented as
`string|null` in the function DocBlock.
Follow-up to [34347].
Props Enchiridion, audrasjb, SergeyBiryukov.
Fixes#58322.
See #33927. --Cette ligne, et les
suivantes
ci-dessous, seront ignorées--
M trunk/src/wp-admin/includes/post.php
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