text: // https://www.gap-system.org/Manuals/doc/ref/chap4.html
  // https://www.gap-system.org/Manuals/doc/ref/chap27.html
  
  Prism.languages.gap = {
  	'shell': {
  		pattern: /^gap>[\s\S]*?(?=^gap>|$(?![\s\S]))/m,
  		greedy: true,
  		inside: {
  			'gap': {
  				pattern: /^(gap>).+(?:(?:\r(?:\n|(?!\n))|\n)>.*)*/,
  				lookbehind: true,
  				inside: null // see below
  			},
  			'punctuation': /^gap>/
  		}
  	},
  
  	'comment': {
  		pattern: /#.*/,
  		greedy: true
  	},
  	'string': {
  		pattern: /(^|[^\\'"])(?:'(?:[^\r\n\\']|\\.){1,10}'|"(?:[^\r\n\\"]|\\.)*"(?!")|"""[\s\S]*?""")/,
  		lookbehind: true,
  		greedy: true,
  		inside: {
  			'continuation': {
  				pattern: /([\r\n])>/,
  				lookbehind: true,
  				alias: 'punctuation'
  			}
  		}
  	},
  
  	'keyword': /\b(?:Assert|Info|IsBound|QUIT|TryNextMethod|Unbind|and|atomic|break|continue|do|elif|else|end|fi|for|function|if|in|local|mod|not|od|or|quit|readonly|readwrite|rec|repeat|return|then|until|while)\b/,
  	'boolean': /\b(?:false|true)\b/,
  
  	'function': /\b[a-z_]\w*(?=\s*\()/i,
  
  	'number': {
  		pattern: /(^|[^\w.]|\.\.)(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][+-]?\d+)?(?:_[a-z]?)?(?=$|[^\w.]|\.\.)/,
  		lookbehind: true
  	},
  
  	'continuation': {
  		pattern: /([\r\n])>/,
  		lookbehind: true,
  		alias: 'punctuation'
  	},
  	'operator': /->|[-+*/^~=!]|<>|[<>]=?|:=|\.\./,
  	'punctuation': /[()[\]{},;.:]/
  };
  
  Prism.languages.gap.shell.inside.gap.inside = Prism.languages.gap;
  