source: node_modules/prismjs/components/prism-gap.js

// 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;