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Horizontal scroll bar is out of view in some code blocks
If a code block has longer lines than will fit within the width of the code block, there is no indication that this is the case, nor any obvious way to scroll horizontally. For an example, see dig -6 works but dig -4 does not on Software Development.
Ideally, code blocks should have a horizontal scroll bar if (and only if) the content is wider than what is being displayed, just as they currently have a vertical scroll bar iff there are more lines than will fit vertically.
Here's what the above-linked question looks like to me, in part, in Firefox ESR 78.3:
Another, possibly better, example that illustrates the same issue might be especially the first code block in the question connect with SLOT/SIGNAL: QPushButton clicked signal not received by main window, also on Software Development.