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https://github.com/go-gitea/gitea
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1e9b330525
* Update CodeMirror to version 5.49.0 * Update CodeMirror versions in librejs and VERSIONS
265 lines
7.6 KiB
JavaScript
Vendored
265 lines
7.6 KiB
JavaScript
Vendored
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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/*
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* Author: Constantin Jucovschi (c.jucovschi@jacobs-university.de)
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* Licence: MIT
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*/
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("stex", function(_config, parserConfig) {
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"use strict";
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function pushCommand(state, command) {
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state.cmdState.push(command);
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}
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function peekCommand(state) {
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if (state.cmdState.length > 0) {
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return state.cmdState[state.cmdState.length - 1];
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} else {
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return null;
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}
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}
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function popCommand(state) {
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var plug = state.cmdState.pop();
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if (plug) {
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plug.closeBracket();
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}
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}
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// returns the non-default plugin closest to the end of the list
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function getMostPowerful(state) {
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var context = state.cmdState;
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for (var i = context.length - 1; i >= 0; i--) {
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var plug = context[i];
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if (plug.name == "DEFAULT") {
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continue;
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}
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return plug;
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}
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return { styleIdentifier: function() { return null; } };
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}
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function addPluginPattern(pluginName, cmdStyle, styles) {
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return function () {
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this.name = pluginName;
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this.bracketNo = 0;
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this.style = cmdStyle;
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this.styles = styles;
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this.argument = null; // \begin and \end have arguments that follow. These are stored in the plugin
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this.styleIdentifier = function() {
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return this.styles[this.bracketNo - 1] || null;
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};
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this.openBracket = function() {
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this.bracketNo++;
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return "bracket";
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};
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this.closeBracket = function() {};
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};
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}
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var plugins = {};
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plugins["importmodule"] = addPluginPattern("importmodule", "tag", ["string", "builtin"]);
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plugins["documentclass"] = addPluginPattern("documentclass", "tag", ["", "atom"]);
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plugins["usepackage"] = addPluginPattern("usepackage", "tag", ["atom"]);
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plugins["begin"] = addPluginPattern("begin", "tag", ["atom"]);
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plugins["end"] = addPluginPattern("end", "tag", ["atom"]);
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plugins["label" ] = addPluginPattern("label" , "tag", ["atom"]);
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plugins["ref" ] = addPluginPattern("ref" , "tag", ["atom"]);
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plugins["eqref" ] = addPluginPattern("eqref" , "tag", ["atom"]);
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plugins["cite" ] = addPluginPattern("cite" , "tag", ["atom"]);
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plugins["bibitem" ] = addPluginPattern("bibitem" , "tag", ["atom"]);
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plugins["Bibitem" ] = addPluginPattern("Bibitem" , "tag", ["atom"]);
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plugins["RBibitem" ] = addPluginPattern("RBibitem" , "tag", ["atom"]);
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plugins["DEFAULT"] = function () {
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this.name = "DEFAULT";
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this.style = "tag";
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this.styleIdentifier = this.openBracket = this.closeBracket = function() {};
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};
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function setState(state, f) {
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state.f = f;
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}
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// called when in a normal (no environment) context
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function normal(source, state) {
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var plug;
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// Do we look like '\command' ? If so, attempt to apply the plugin 'command'
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if (source.match(/^\\[a-zA-Z@]+/)) {
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var cmdName = source.current().slice(1);
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plug = plugins[cmdName] || plugins["DEFAULT"];
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plug = new plug();
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pushCommand(state, plug);
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setState(state, beginParams);
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return plug.style;
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}
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// escape characters
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if (source.match(/^\\[$&%#{}_]/)) {
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return "tag";
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}
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// white space control characters
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if (source.match(/^\\[,;!\/\\]/)) {
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return "tag";
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}
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// find if we're starting various math modes
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if (source.match("\\[")) {
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setState(state, function(source, state){ return inMathMode(source, state, "\\]"); });
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return "keyword";
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}
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if (source.match("\\(")) {
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setState(state, function(source, state){ return inMathMode(source, state, "\\)"); });
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return "keyword";
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}
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if (source.match("$$")) {
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setState(state, function(source, state){ return inMathMode(source, state, "$$"); });
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return "keyword";
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}
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if (source.match("$")) {
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setState(state, function(source, state){ return inMathMode(source, state, "$"); });
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return "keyword";
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}
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var ch = source.next();
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if (ch == "%") {
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source.skipToEnd();
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return "comment";
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} else if (ch == '}' || ch == ']') {
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plug = peekCommand(state);
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if (plug) {
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plug.closeBracket(ch);
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setState(state, beginParams);
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} else {
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return "error";
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}
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return "bracket";
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} else if (ch == '{' || ch == '[') {
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plug = plugins["DEFAULT"];
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plug = new plug();
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pushCommand(state, plug);
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return "bracket";
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} else if (/\d/.test(ch)) {
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source.eatWhile(/[\w.%]/);
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return "atom";
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} else {
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source.eatWhile(/[\w\-_]/);
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plug = getMostPowerful(state);
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if (plug.name == 'begin') {
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plug.argument = source.current();
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}
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return plug.styleIdentifier();
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}
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}
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function inMathMode(source, state, endModeSeq) {
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if (source.eatSpace()) {
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return null;
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}
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if (endModeSeq && source.match(endModeSeq)) {
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setState(state, normal);
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return "keyword";
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}
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if (source.match(/^\\[a-zA-Z@]+/)) {
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return "tag";
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}
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if (source.match(/^[a-zA-Z]+/)) {
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return "variable-2";
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}
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// escape characters
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if (source.match(/^\\[$&%#{}_]/)) {
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return "tag";
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}
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// white space control characters
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if (source.match(/^\\[,;!\/]/)) {
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return "tag";
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}
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// special math-mode characters
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if (source.match(/^[\^_&]/)) {
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return "tag";
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}
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// non-special characters
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if (source.match(/^[+\-<>|=,\/@!*:;'"`~#?]/)) {
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return null;
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}
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if (source.match(/^(\d+\.\d*|\d*\.\d+|\d+)/)) {
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return "number";
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}
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var ch = source.next();
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if (ch == "{" || ch == "}" || ch == "[" || ch == "]" || ch == "(" || ch == ")") {
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return "bracket";
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}
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if (ch == "%") {
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source.skipToEnd();
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return "comment";
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}
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return "error";
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}
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function beginParams(source, state) {
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var ch = source.peek(), lastPlug;
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if (ch == '{' || ch == '[') {
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lastPlug = peekCommand(state);
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lastPlug.openBracket(ch);
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source.eat(ch);
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setState(state, normal);
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return "bracket";
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}
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if (/[ \t\r]/.test(ch)) {
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source.eat(ch);
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return null;
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}
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setState(state, normal);
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popCommand(state);
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return normal(source, state);
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}
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return {
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startState: function() {
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var f = parserConfig.inMathMode ? function(source, state){ return inMathMode(source, state); } : normal;
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return {
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cmdState: [],
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f: f
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};
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},
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copyState: function(s) {
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return {
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cmdState: s.cmdState.slice(),
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f: s.f
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};
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},
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token: function(stream, state) {
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return state.f(stream, state);
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},
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blankLine: function(state) {
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state.f = normal;
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state.cmdState.length = 0;
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},
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lineComment: "%"
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};
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});
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CodeMirror.defineMIME("text/x-stex", "stex");
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CodeMirror.defineMIME("text/x-latex", "stex");
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});
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