s/Cx/\Ĉ/g s/Gx/\Ĝ/g s/Hx/\Ĥ/g s/Jx/\Ĵ/g s/Sx/\Ŝ/g s/Ux/\Ŭ/g s/cx/\ĉ/g s/gx/\ĝ/g s/hx/\ĥ/g s/jx/\ĵ/g s/sx/\ŝ/g s/ux/\ŭ/g s/\&Lstroke;/\Ł/g s/\&lstroke;/\ł/g s/\&Ostroke;/\Ø/g s/\&ostroke;/\ø/g