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On Stackoverflow there is a horizontal line between a question and comments. This is an example:

https://stackoverflow.com/questions/22369026/how-to-remove-header-new-line-character-and

And on Unix & Linux there is no a horizontal line between a question and comments:

How can a bash script detect if it is running in the background?

Is it by intention? It seems that it would look better with the horizontal line.

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This is because our desing layout is a "bar" with buttons

enter image description here

instead of a line with tabs

enter image description here

The line in any case would be redundant, since there's already a element that does this.

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