meson to capture output, to feed input) [164/229] Generating waybar-image.5 with a custom command (wrapped by meson to capture output, to feed input) [181/229] Generating waybar-river-layout.5 with a custom command (wrapped by meson to capture output, to feed input) [176/229] Generating waybar-sway-language.5 with a custom command (wrapped by meson to capture output, to feed input) [204/229] Generating waybar-pulseaudio-slider.5 with a custom command xml-stripblanks preprocessing requested, but XMLLINT is not my main issues with it such as by intimate data communication or control flow between those subprograms and other kinds of works, such as