When trying to indent a block of text in an input textfield, for instance to emphasize Markdown code-blocks, the Tab key is already bound to a different action (switching to the next input element).
What is a straightforward way to overcome this issue without using extensions?
I found these two threads, but unfortunately don't have a Numpad, and the answers presume installed extensions or applications:
Without having a Numpad, one can use the following key-combination on Linux POSIX Systems:
I am looking for something similar on Windows.