message: Add xeCJKfntef to extra package names
  Related to
diff: "command": "stix2",
  "detail": "Type1 versions of the STIX Two OpenType fonts",
  "documentation": "https://ctan.org/pkg/stix2-type1"
  + },
  + "xecjkfntef": {
  + "command": "xeCJKfntef",
  + "detail": "Support for CJK documents in XeLaTeX",
  + "documentation": "https://ctan.org/pkg/xecjk"
  }
  }
  