A bash pipe from xrandr to get total virtual screen pixels.
This will work with multiple displays and rotated display that will extend vertically the video memory usage by alot.
Those are fields used by the language switcher to correlate pages across
different languages, even if they have different names/paths/titles.
They are generated with the prepare_for_translation.py script.
- mark all code blocks with ```
- unify empty lines between sections
- adjust list syntax (no space before dash)
- adjust headers to use Atx-style syntax
- remove trailing spaces
