X: other
The English tag X is used for the PTB tags FW, LS, XX, ADD, AFX, and GW. Some things tagged AFX would be candidates for retagging with other tags, but that has not been attempted.
X in other languages: [bej] [cs] [cy] [da] [el] [en] [es] [ess] [et] [fi] [fr] [ga] [grc] [hy] [it] [ja] [ka] [kpv] [ky] [myv] [no] [qpm] [ru] [sl] [sv] [tr] [tt] [uk] [u] [urj] [xcl] [yue] [zh]