message: Update grammar files to jlelong/vscode-latex-basics@30390ff
diff: }
  },
  {
  - "begin": "(?:\\s*)((\\\\)begin)(\\{)((?:array|equation|(?:IEEE)?eqnarray|multline|align|aligned|alignat|alignedat|flalign|flaligned|flalignat|split|gather|gathered|cases|(?:display)?math|[a-zA-Z]*matrix|[pbBvV]?NiceMatrix|[pbBvV]?NiceArray|(?:(?:arg)?(?:mini|maxi)))(?:\\*|!)?)(\\})(\\s*\\n)?",
  + "begin": "(?:\\s*)((\\\\)begin)(\\{)((?:\\+?array|equation|(?:IEEE)?eqnarray|multline|align|aligned|alignat|alignedat|flalign|flaligned|flalignat|split|gather|gathered|\\+?cases|(?:display)?math|\\+?[a-zA-Z]*matrix|[pbBvV]?NiceMatrix|[pbBvV]?NiceArray|(?:(?:arg)?(?:mini|maxi)))(?:\\*|!)?)(\\})(\\s*\\n)?",
  "captures": {
  "1": {
  "name": "support.function.be.latex"
  