diff -r 000000000000 -r aa9fc390ce91 syntaxes/Bibtex.tmLanguage.json
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/syntaxes/Bibtex.tmLanguage.json	Mon May 11 17:50:17 2020 -0500
@@ -0,0 +1,251 @@
+{
+  "comment": "Grammar based on description from http://artis.imag.fr/~Xavier.Decoret/resources/xdkbibtex/bibtex_summary.html#comment\n\t\n\tTODO: Does not support @preamble\n\t",
+  "fileTypes": [
+    "bib"
+  ],
+  "name": "BibTeX+",
+  "patterns": [
+    {
+      "begin": "@Comment",
+      "beginCaptures": {
+        "0": {
+          "name": "punctuation.definition.comment.bibtex"
+        }
+      },
+      "end": "$\\n?",
+      "name": "comment.line.at-sign.bibtex"
+    },
+    {
+      "begin": "((@)String)\\s*(\\{)\\s*([a-zA-Z]*)",
+      "beginCaptures": {
+        "1": {
+          "name": "keyword.other.string-constant.bibtex"
+        },
+        "2": {
+          "name": "punctuation.definition.keyword.bibtex"
+        },
+        "3": {
+          "name": "punctuation.section.string-constant.begin.bibtex"
+        },
+        "4": {
+          "name": "variable.other.bibtex"
+        }
+      },
+      "end": "\\}",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.section.string-constant.end.bibtex"
+        }
+      },
+      "name": "meta.string-constant.braces.bibtex",
+      "patterns": [
+        {
+          "include": "#string_content"
+        }
+      ]
+    },
+    {
+      "begin": "((@)String)\\s*(\\()\\s*([a-zA-Z]*)",
+      "beginCaptures": {
+        "1": {
+          "name": "keyword.other.string-constant.bibtex"
+        },
+        "2": {
+          "name": "punctuation.definition.keyword.bibtex"
+        },
+        "3": {
+          "name": "punctuation.section.string-constant.begin.bibtex"
+        },
+        "4": {
+          "name": "variable.other.bibtex"
+        }
+      },
+      "end": "\\)",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.section.string-constant.end.bibtex"
+        }
+      },
+      "name": "meta.string-constant.parenthesis.bibtex",
+      "patterns": [
+        {
+          "include": "#string_content"
+        }
+      ]
+    },
+    {
+      "begin": "((@)[a-zA-Z]+)\\s*(\\{)\\s*([^\\s,]*)",
+      "beginCaptures": {
+        "1": {
+          "name": "keyword.other.entry-type.bibtex"
+        },
+        "2": {
+          "name": "punctuation.definition.keyword.bibtex"
+        },
+        "3": {
+          "name": "punctuation.section.entry.begin.bibtex"
+        },
+        "4": {
+          "name": "entity.name.type.entry-key.bibtex"
+        }
+      },
+      "end": "\\}",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.section.entry.end.bibtex"
+        }
+      },
+      "name": "meta.entry.braces.bibtex",
+      "patterns": [
+        {
+          "begin": "([a-zA-Z0-9\\!\\$\\&\\*\\+\\-\\.\\/\\:\\;\\<\\>\\?\\[\\]\\^\\_\\`\\|]+)\\s*(\\=)",
+          "beginCaptures": {
+            "1": {
+              "name": "support.function.key.bibtex"
+            },
+            "2": {
+              "name": "punctuation.separator.key-value.bibtex"
+            }
+          },
+          "end": "(?=[,}])",
+          "name": "meta.key-assignment.bibtex",
+          "patterns": [
+            {
+              "include": "#string_content"
+            },
+            {
+              "include": "#integer"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "begin": "((@)[a-zA-Z]+)\\s*(\\()\\s*([^\\s,]*)",
+      "beginCaptures": {
+        "1": {
+          "name": "keyword.other.entry-type.bibtex"
+        },
+        "2": {
+          "name": "punctuation.definition.keyword.bibtex"
+        },
+        "3": {
+          "name": "punctuation.section.entry.begin.bibtex"
+        },
+        "4": {
+          "name": "entity.name.type.entry-key.bibtex"
+        }
+      },
+      "end": "\\)",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.section.entry.end.bibtex"
+        }
+      },
+      "name": "meta.entry.parenthesis.bibtex",
+      "patterns": [
+        {
+          "begin": "([a-zA-Z0-9\\!\\$\\&\\*\\+\\-\\.\\/\\:\\;\\<\\>\\?\\[\\]\\^\\_\\`\\|]+)\\s*(\\=)",
+          "beginCaptures": {
+            "1": {
+              "name": "support.function.key.bibtex"
+            },
+            "2": {
+              "name": "punctuation.separator.key-value.bibtex"
+            }
+          },
+          "end": "(?=[,)])",
+          "name": "meta.key-assignment.bibtex",
+          "patterns": [
+            {
+              "include": "#string_content"
+            },
+            {
+              "include": "#integer"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "begin": "[^@\\n]",
+      "end": "(?=@)",
+      "name": "comment.block.bibtex"
+    }
+  ],
+  "repository": {
+    "integer": {
+      "match": "\\d+",
+      "name": "constant.numeric.bibtex"
+    },
+    "nested_braces": {
+      "begin": "(?<!\\\\)\\{",
+      "beginCaptures": {
+        "0": {
+          "name": "punctuation.definition.group.begin.bibtex"
+        }
+      },
+      "end": "(?<!\\\\)\\}",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.definition.group.end.bibtex"
+        }
+      },
+      "patterns": [
+        {
+          "include": "#nested_braces"
+        }
+      ]
+    },
+    "string_content": {
+      "patterns": [
+        {
+          "begin": "\\{",
+          "beginCaptures": {
+            "0": {
+              "name": "punctuation.definition.string.begin.bibtex"
+            }
+          },
+          "end": "\\}(?=,?\\s*\\n)",
+          "endCaptures": {
+            "0": {
+              "name": "punctuation.definition.string.end.bibtex"
+            }
+          },
+          "patterns": [
+            {
+              "match": "@",
+              "name": "invalid.illegal.at-sign.bibtex"
+            },
+            {
+              "include": "#nested_braces"
+            }
+          ]
+        },
+        {
+          "begin": "\"",
+          "beginCaptures": {
+            "0": {
+              "name": "punctuation.definition.string.begin.bibtex"
+            }
+          },
+          "end": "\"(?=,?\\s*\\n)",
+          "endCaptures": {
+            "0": {
+              "name": "punctuation.definition.string.end.bibtex"
+            }
+          },
+          "patterns": [
+            {
+              "match": "@",
+              "name": "invalid.illegal.at-sign.bibtex"
+            }
+          ]
+        }
+
+      ]
+    }
+  },
+  "scopeName": "text.bibtex",
+  "uuid": "47F30BA1-6B1D-11D9-9A60-000D93589AF6"
+}
\ No newline at end of file