No way to quiet LaTeX run other than piping to /dev/null

Author: thijskh

update_demoweb.sh

@@ -17,7 +17,7 @@ git pull -q --rebase --autostash >/dev/null 2>&1
 # Rebuild in-place to also make configuration updates visible:
 make QUIET=1 maintainer-clean
 make QUIET=1 MAINT_CXFLAGS='-g -O2 -Wall -fPIE -Wformat -Wformat-security' \
-	inplace-conf || true
+	inplace-conf >/dev/null 2>&1 || true
 make QUIET=1 inplace-install docs >/dev/null 2>&1
 composer auto-scripts >/dev/null 2>&1