This feature allows translators to focus on the content translation and they will not be bothered by HTML tags or placeholders. Strings are automatically translated with the proper formatting. Also, translators will not be able to edit HTML tags and placeholders if they are displayed in blocks. Developers will not have to worry about the corruption of the HTML tags and placeholders.
How to display HTML tags and placeholders as blocks
To display HTML tags and placeholders as blocks you have to click the Display placeholders as blocks button in the editor.
If the Display placeholders as blocks is disabled, you will see the actual tags:
Contributors are able to hide/unhide placeholders and HTML tags for each language separately. If required, you can move placeholders or tags as blocks to avoid them being broken due to human error. Hover over a placeholder block to see what is inside.