```"test.nim" 227L, 8601C^[[2;2R Error detected while processing function nim#init: line 6: E117: Unknown function: json_decode E15: Invalid expression: json_decode(raw_dumpdata) ``` I get this error on a system using VIM 7.4 since commit dce4bab907d89e56d78530af5dcca313767f659f