message: Add more math symbols as snippets
  See
  This is related to
diff: "body": "\\infty",
  "description": "Insert infinity symbol"
  },
  + "partial": {
  + "prefix": "@6",
  + "body": "\\partial",
  + "description": "Insert partial derivative symbol"
  + },
  + "fraction": {
  + "prefix": "@/",
  + "body": "\\frac{$1}{$2}$0",
  + "description": "Insert a fraction"
  + },
  + "fraction2": {
  + "prefix": "@%",
  + "body": "\\frac{$1}{$2}$0",
  + "description": "Insert a fraction"
  + },
  + "hat": {
  + "prefix": "@^",
  + "body": "\\Hat{$1}$0",
  + "description": "Insert a hat"
  + },
  + "bar": {
  + "prefix": "@_",
  + "body": "\\bar{$1}$0",
  + "description": "Insert a bar"
  + },
  + "circ": {
  + "prefix": "@@",
  + "body": "\\circ",
  + "description": "Insert circ"
  + },
  + "supcirc": {
  + "prefix": "@0",
  + "body": "^\\circ",
  + "description": "Insert superscript circ"
  + },
  + "dot": {
  + "prefix": "@;",
  + "body": "\\dot{$1}$0",
  + "description": "Insert a dot"
  + },
  + "ddot": {
  + "prefix": "@:",
  + "body": "\\ddot{$1}$0",
  + "description": "Insert a ddot"
  + },
  +
  + "equiv": {
  + "prefix": "@=",
  + "body": "\\equiv",
  + "description": "Insert equiv symbol"
  + },
  + "times": {
  + "prefix": "@*",
  + "body": "\\times",
  + "description": "Insert times symbol"
  + },
  + "leq": {
  + "prefix": "@<",
  + "body": "\\leq",
  + "description": "Insert leq symbol"
  + },
  + "geq": {
  + "prefix": "@>",
  + "body": "\\geq",
  + "description": "Insert geq symbol"
  + },
  + "sqrt": {
  + "prefix": "@2",
  + "body": "\\sqrt{$1}$0",
  + "description": "Insert sqrt command"
  + },
  + "int": {
  + "prefix": "@I",
  + "body": "\\int_{$1}^{$2}$0",
  + "description": "Insert an integral"
  + },
  + "Big|": {
  + "prefix": "@|",
  + "body": "\\Big|",
  + "description": "Insert a Big |"
  + },
  + "setminus": {
  + "prefix": "@\\",
  + "body": "\\setminus",
  + "description": "Insert a minus set"
  + },
  + "bigcup": {
  + "prefix": "@+",
  + "body": "\\bigcup",
  + "description": "Insert bigcup"
  + },
  + "bigcap": {
  + "prefix": "@-",
  + "body": "\\bigcap",
  + "description": "Insert bigcap"
  + },
  + "nonumber": {
  + "prefix": "@,",
  + "body": "\\nonumber",
  + "description": "Insert nonumber"
  + },
  "equation": {
  "prefix": "BEQ",
  "body": "\\begin{equation}\n\t\\label{${1:<label>}}\n\t$0\n\\end{equation}",
  "description": "Insert omega"
  },
  "wedge": {
  - "prefix": "@w",
  + "prefix": "@&",
  "body": "\\wedge",
  "description": "Insert wedge"
  },
  