Far 命令執行出錯，是我哪里用錯了嗎？
執行 :Far NULL nil **/*.go
Error detected while processing function Far..far#tools#splitcmd:
line?? 16:
E121: Undefined variable: p1:p2
E116: Invalid arguments for function empty(cmdline[p1:p2-1])
E15: Invalid expression: !empty(cmdline[p1:p2-1])
E121: Undefined variable: p1:p2
E116: Invalid arguments for function empty(cmdline[p1:p2-1])
E15: Invalid expression: !empty(cmdline[p1:p2-1])
line?? 27:
E121: Undefined variable: p1:
E116: Invalid arguments for function add
Arguments required. Format :Far <pattern> <replace> <filemask> [<param1>...
