1 files changed, 21 insertions, 0 deletions
diff --git a/public/prism/prism-bnf.js b/public/prism/prism-bnf.js
new file mode 100644
index 0000000..873c277
--- /dev/null
+++ b/public/prism/prism-bnf.js
@@ -0,0 +1,21 @@
+Prism.languages.bnf = {
+  string: {
+    pattern: /"[^\r\n"]*"|'[^\r\n']*'/,
+  },
+  definition: {
+    pattern: /<[^<>\r\n\t]+>(?=\s*::=)/,
+    alias: ['rule', 'keyword'],
+    inside: {
+      punctuation: /^<|>$/,
+    },
+  },
+  rule: {
+    pattern: /<[^<>\r\n\t]+>/,
+    inside: {
+      punctuation: /^<|>$/,
+    },
+  },
+  operator: /::=|[|()[\]{}*+?]|\.{3}/,
+};
+
+Prism.languages.rbnf = Prism.languages.bnf;