Convenient preview

It is not known what the relationship between long and short news on Habré looks like. This idea is aimed at improving comfort when working with long news. All who have ever created such faced a problem of preview, which for some reason is generated not after the text field with the news code but before it, shifting it to the bottom.

News Editing Tab

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News Preview Tab

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The main idea is the separation in different areas of pre-viewing and editing without creating popups and other abominations. In preview mode, the tabs are duplicated below.
Actually your opinions about convenience?