--- a/third_party/highlight/highlight.js	Sat Jan 24 21:06:42 2026 -0800
+++ b/third_party/highlight/highlight.js	Sat Jan 24 21:51:51 2026 -0800
@@ -8163,4 +8163,429 @@
 })();
 
     hljs.registerLanguage('x86asm', hljsGrammar);
-  })();
\ No newline at end of file
+  })();
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+
+  /*
+  Language: Shell Session
+  Requires: bash.js
+  Author: TSUYUSATO Kitsune <[email protected]>
+  Category: common
+  Audit: 2020
+  */
+/*
+Language: Bash
+Author: vah <[email protected]>
+Contributrors: Benjamin Pannell <[email protected]>
+Website: https://www.gnu.org/software/bash/
+Category: common, scripting
+*/
+
+/** @type LanguageFn */
+  function bash(hljs) {
+    const regex = hljs.regex;
+    const VAR = {};
+    const BRACED_VAR = {
+      begin: /\$\{/,
+      end: /\}/,
+      contains: [
+        "self",
+        {
+          begin: /:-/,
+          contains: [ VAR ]
+        } // default values
+      ]
+    };
+    Object.assign(VAR, {
+      className: 'variable',
+      variants: [
+        { begin: regex.concat(/\$[\w\d#@][\w\d_]*/,
+          // negative look-ahead tries to avoid matching patterns that are not
+          // Perl at all like $ident$, @ident@, etc.
+          `(?![\\w\\d])(?![$])`) },
+        BRACED_VAR
+      ]
+    });
+  
+    const SUBST = {
+      className: 'subst',
+      begin: /\$\(/,
+      end: /\)/,
+      contains: [ hljs.BACKSLASH_ESCAPE ]
+    };
+    const COMMENT = hljs.inherit(
+      hljs.COMMENT(),
+      {
+        match: [
+          /(^|\s)/,
+          /#.*$/
+        ],
+        scope: {
+          2: 'comment'
+        }
+      }
+    );
+    const HERE_DOC = {
+      begin: /<<-?\s*(?=\w+)/,
+      starts: { contains: [
+        hljs.END_SAME_AS_BEGIN({
+          begin: /(\w+)/,
+          end: /(\w+)/,
+          className: 'string'
+        })
+      ] }
+    };
+    const QUOTE_STRING = {
+      className: 'string',
+      begin: /"/,
+      end: /"/,
+      contains: [
+        hljs.BACKSLASH_ESCAPE,
+        VAR,
+        SUBST
+      ]
+    };
+    SUBST.contains.push(QUOTE_STRING);
+    const ESCAPED_QUOTE = {
+      match: /\\"/
+    };
+    const APOS_STRING = {
+      className: 'string',
+      begin: /'/,
+      end: /'/
+    };
+    const ESCAPED_APOS = {
+      match: /\\'/
+    };
+    const ARITHMETIC = {
+      begin: /\$?\(\(/,
+      end: /\)\)/,
+      contains: [
+        {
+          begin: /\d+#[0-9a-f]+/,
+          className: "number"
+        },
+        hljs.NUMBER_MODE,
+        VAR
+      ]
+    };
+    const SH_LIKE_SHELLS = [
+      "fish",
+      "bash",
+      "zsh",
+      "sh",
+      "csh",
+      "ksh",
+      "tcsh",
+      "dash",
+      "scsh",
+    ];
+    const KNOWN_SHEBANG = hljs.SHEBANG({
+      binary: `(${SH_LIKE_SHELLS.join("|")})`,
+      relevance: 10
+    });
+    const FUNCTION = {
+      className: 'function',
+      begin: /\w[\w\d_]*\s*\(\s*\)\s*\{/,
+      returnBegin: true,
+      contains: [ hljs.inherit(hljs.TITLE_MODE, { begin: /\w[\w\d_]*/ }) ],
+      relevance: 0
+    };
+  
+    const KEYWORDS = [
+      "if",
+      "then",
+      "else",
+      "elif",
+      "fi",
+      "time",
+      "for",
+      "while",
+      "until",
+      "in",
+      "do",
+      "done",
+      "case",
+      "esac",
+      "coproc",
+      "function",
+      "select"
+    ];
+  
+    const LITERALS = [
+      "true",
+      "false"
+    ];
+  
+    // to consume paths to prevent keyword matches inside them
+    const PATH_MODE = { match: /(\/[a-z._-]+)+/ };
+  
+    // http://www.gnu.org/software/bash/manual/html_node/Shell-Builtin-Commands.html
+    const SHELL_BUILT_INS = [
+      "break",
+      "cd",
+      "continue",
+      "eval",
+      "exec",
+      "exit",
+      "export",
+      "getopts",
+      "hash",
+      "pwd",
+      "readonly",
+      "return",
+      "shift",
+      "test",
+      "times",
+      "trap",
+      "umask",
+      "unset"
+    ];
+  
+    const BASH_BUILT_INS = [
+      "alias",
+      "bind",
+      "builtin",
+      "caller",
+      "command",
+      "declare",
+      "echo",
+      "enable",
+      "help",
+      "let",
+      "local",
+      "logout",
+      "mapfile",
+      "printf",
+      "read",
+      "readarray",
+      "source",
+      "sudo",
+      "type",
+      "typeset",
+      "ulimit",
+      "unalias"
+    ];
+  
+    const ZSH_BUILT_INS = [
+      "autoload",
+      "bg",
+      "bindkey",
+      "bye",
+      "cap",
+      "chdir",
+      "clone",
+      "comparguments",
+      "compcall",
+      "compctl",
+      "compdescribe",
+      "compfiles",
+      "compgroups",
+      "compquote",
+      "comptags",
+      "comptry",
+      "compvalues",
+      "dirs",
+      "disable",
+      "disown",
+      "echotc",
+      "echoti",
+      "emulate",
+      "fc",
+      "fg",
+      "float",
+      "functions",
+      "getcap",
+      "getln",
+      "history",
+      "integer",
+      "jobs",
+      "kill",
+      "limit",
+      "log",
+      "noglob",
+      "popd",
+      "print",
+      "pushd",
+      "pushln",
+      "rehash",
+      "sched",
+      "setcap",
+      "setopt",
+      "stat",
+      "suspend",
+      "ttyctl",
+      "unfunction",
+      "unhash",
+      "unlimit",
+      "unsetopt",
+      "vared",
+      "wait",
+      "whence",
+      "where",
+      "which",
+      "zcompile",
+      "zformat",
+      "zftp",
+      "zle",
+      "zmodload",
+      "zparseopts",
+      "zprof",
+      "zpty",
+      "zregexparse",
+      "zsocket",
+      "zstyle",
+      "ztcp"
+    ];
+  
+    const GNU_CORE_UTILS = [
+      "chcon",
+      "chgrp",
+      "chown",
+      "chmod",
+      "cp",
+      "dd",
+      "df",
+      "dir",
+      "dircolors",
+      "ln",
+      "ls",
+      "mkdir",
+      "mkfifo",
+      "mknod",
+      "mktemp",
+      "mv",
+      "realpath",
+      "rm",
+      "rmdir",
+      "shred",
+      "sync",
+      "touch",
+      "truncate",
+      "vdir",
+      "b2sum",
+      "base32",
+      "base64",
+      "cat",
+      "cksum",
+      "comm",
+      "csplit",
+      "cut",
+      "expand",
+      "fmt",
+      "fold",
+      "head",
+      "join",
+      "md5sum",
+      "nl",
+      "numfmt",
+      "od",
+      "paste",
+      "ptx",
+      "pr",
+      "sha1sum",
+      "sha224sum",
+      "sha256sum",
+      "sha384sum",
+      "sha512sum",
+      "shuf",
+      "sort",
+      "split",
+      "sum",
+      "tac",
+      "tail",
+      "tr",
+      "tsort",
+      "unexpand",
+      "uniq",
+      "wc",
+      "arch",
+      "basename",
+      "chroot",
+      "date",
+      "dirname",
+      "du",
+      "echo",
+      "env",
+      "expr",
+      "factor",
+      // "false", // keyword literal already
+      "groups",
+      "hostid",
+      "id",
+      "link",
+      "logname",
+      "nice",
+      "nohup",
+      "nproc",
+      "pathchk",
+      "pinky",
+      "printenv",
+      "printf",
+      "pwd",
+      "readlink",
+      "runcon",
+      "seq",
+      "sleep",
+      "stat",
+      "stdbuf",
+      "stty",
+      "tee",
+      "test",
+      "timeout",
+      // "true", // keyword literal already
+      "tty",
+      "uname",
+      "unlink",
+      "uptime",
+      "users",
+      "who",
+      "whoami",
+      "yes"
+    ];
+  
+    return {
+      name: 'Bash',
+      aliases: [
+        'sh',
+        'zsh'
+      ],
+      keywords: {
+        $pattern: /\b[a-z][a-z0-9._-]+\b/,
+        keyword: KEYWORDS,
+        literal: LITERALS,
+        built_in: [
+          ...SHELL_BUILT_INS,
+          ...BASH_BUILT_INS,
+          // Shell modifiers
+          "set",
+          "shopt",
+          ...ZSH_BUILT_INS,
+          ...GNU_CORE_UTILS
+        ]
+      },
+      contains: [
+        KNOWN_SHEBANG, // to catch known shells and boost relevancy
+        hljs.SHEBANG(), // to catch unknown shells but still highlight the shebang
+        FUNCTION,
+        ARITHMETIC,
+        COMMENT,
+        HERE_DOC,
+        PATH_MODE,
+        QUOTE_STRING,
+        ESCAPED_QUOTE,
+        APOS_STRING,
+        ESCAPED_APOS,
+        VAR
+      ]
+    };
+  }
+}
+  return bash;
+})();
+
+    hljs.registerLanguage('bash', hljsGrammar);
+  })();