Prism.languages.ebnf = { 'comment': /\(\*[\s\S]*?\*\)/, 'string': { pattern: /"[^"\r\n]*"|'[^'\r\n]*'/, greedy: true }, 'special': { pattern: /\?[^?\r\n]*\?/, greedy: true, alias: 'class-name' }, 'definition': { pattern: /^([\t ]*)[a-z]\w*(?:[ \t]+[a-z]\w*)*(?=\s*=)/im, lookbehind: true, alias: ['rule', 'keyword'] }, 'rule': /\b[a-z]\w*(?:[ \t]+[a-z]\w*)*\b/i, 'punctuation': /\([:/]|[:/]\)|[.,;()[\]{}]/, 'operator': /[-=|*/!]/ };