message: Highlight `<Enter>`, `<Return>`, `<Del>`, and `<Space>` in .vimrc
diff: },
  {
  "name": "constant",
  - "match": "(?i)<CR>"
  + "match": "(?i)<(CR|Enter|Return)>"
  },
  {
  "name": "constant",
  - "match": "(?i)<BS>"
  + "match": "(?i)<(BS|Del|Space)>"
  },
  {
  "name": "constant",
  