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// CodeMirror, copyright (c) by Marijn Haverbeke and others

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// Distributed under an MIT license: http://codemirror.net/LICENSE

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/***

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|''Name''|tiddlywiki.js|

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|''Description''|Enables TiddlyWikiy syntax highlighting using CodeMirror|

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|''Author''|PMario|

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|''Version''|0.1.7|

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|''Status''|''stable''|

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|''Source''|[[GitHub|https://github.com/pmario/CodeMirror2/blob/tw-syntax/mode/tiddlywiki]]|

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|''Documentation''|http://codemirror.tiddlyspace.com/|

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|''License''|[[MIT License|http://www.opensource.org/licenses/mit-license.php]]|

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|''CoreVersion''|2.5.0|

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|''Requires''|codemirror.js|

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|''Keywords''|syntax highlighting color code mirror codemirror|

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! Info

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CoreVersion parameter is needed for TiddlyWiki only!

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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("tiddlywiki", function () {

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// Tokenizer

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var textwords = {};

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var keywords = {

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"allTags": true, "closeAll": true, "list": true,

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"newJournal": true, "newTiddler": true,

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"permaview": true, "saveChanges": true,

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"search": true, "slider": true, "tabs": true,

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"tag": true, "tagging": true, "tags": true,

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"tiddler": true, "timeline": true,

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"today": true, "version": true, "option": true,

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"with": true, "filter": true

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};

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var isSpaceName = /[\w_\-]/i,

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reHR = /^\-\-\-\-+$/, // <hr>

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reWikiCommentStart = /^\/\*\*\*$/, // /***

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reWikiCommentStop = /^\*\*\*\/$/, // ***/

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reBlockQuote = /^<<<$/,

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reJsCodeStart = /^\/\/\{\{\{$/, // //{{{ js block start

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reJsCodeStop = /^\/\/\}\}\}$/, // //}}} js stop

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reXmlCodeStart = /^$/, // xml block start

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reXmlCodeStop = /^$/, // xml stop

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reCodeBlockStart = /^\{\{\{$/, // {{{ TW text div block start

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reCodeBlockStop = /^\}\}\}$/, // }}} TW text stop

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reUntilCodeStop = /.*?\}\}\}/;

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function chain(stream, state, f) {

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state.tokenize = f;

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return f(stream, state);

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}

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function tokenBase(stream, state) {

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var sol = stream.sol(), ch = stream.peek();

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state.block = false; // indicates the start of a code block.

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// check start of blocks

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if (sol && /[<\/\*{}\-]/.test(ch)) {

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if (stream.match(reCodeBlockStart)) {

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state.block = true;

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return chain(stream, state, twTokenCode);

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}

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if (stream.match(reBlockQuote))

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return 'quote';

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if (stream.match(reWikiCommentStart) || stream.match(reWikiCommentStop))

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return 'comment';

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if (stream.match(reJsCodeStart) || stream.match(reJsCodeStop) || stream.match(reXmlCodeStart) || stream.match(reXmlCodeStop))

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return 'comment';

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if (stream.match(reHR))

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return 'hr';

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}

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stream.next();

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if (sol && /[\/\*!#;:>|]/.test(ch)) {

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if (ch == "!") { // tw header

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stream.skipToEnd();

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return "header";

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}

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if (ch == "*") { // tw list

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stream.eatWhile('*');

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return "comment";

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}

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if (ch == "#") { // tw numbered list

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stream.eatWhile('#');

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return "comment";

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}

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if (ch == ";") { // definition list, term

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stream.eatWhile(';');

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return "comment";

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}

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if (ch == ":") { // definition list, description

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stream.eatWhile(':');

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return "comment";

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}

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if (ch == ">") { // single line quote

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stream.eatWhile(">");

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return "quote";

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}

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if (ch == '|')

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return 'header';

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}

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if (ch == '{' && stream.match(/\{\{/))

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return chain(stream, state, twTokenCode);

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// rudimentary html:// file:// link matching. TW knows much more ...

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if (/[hf]/i.test(ch) &&

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/[ti]/i.test(stream.peek()) &&

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stream.match(/\b(ttps?|tp|ile):\/\/[\-A-Z0-9+&@#\/%?=~_|$!:,.;]*[A-Z0-9+&@#\/%=~_|$]/i))

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return "link";

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// just a little string indicator, don't want to have the whole string covered

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if (ch == '"')

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return 'string';

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if (ch == '~') // _no_ CamelCase indicator should be bold

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return 'brace';

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if (/[\[\]]/.test(ch) && stream.match(ch)) // check for [[..]]

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return 'brace';

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if (ch == "@") { // check for space link. TODO fix @@...@@ highlighting

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stream.eatWhile(isSpaceName);

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return "link";

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}

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if (/\d/.test(ch)) { // numbers

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stream.eatWhile(/\d/);

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return "number";

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}

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if (ch == "/") { // tw invisible comment

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if (stream.eat("%")) {

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return chain(stream, state, twTokenComment);

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} else if (stream.eat("/")) { //

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return chain(stream, state, twTokenEm);

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}

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}

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if (ch == "_" && stream.eat("_")) // tw underline

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return chain(stream, state, twTokenUnderline);

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// strikethrough and mdash handling

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if (ch == "-" && stream.eat("-")) {

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// if strikethrough looks ugly, change CSS.

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if (stream.peek() != ' ')

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return chain(stream, state, twTokenStrike);

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// mdash

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if (stream.peek() == ' ')

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return 'brace';

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}

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if (ch == "'" && stream.eat("'")) // tw bold

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return chain(stream, state, twTokenStrong);

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if (ch == "<" && stream.eat("<")) // tw macro

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return chain(stream, state, twTokenMacro);

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// core macro handling

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stream.eatWhile(/[\w\$_]/);

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return textwords.propertyIsEnumerable(stream.current()) ? "keyword" : null

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}

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// tw invisible comment

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function twTokenComment(stream, state) {

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var maybeEnd = false, ch;

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while (ch = stream.next()) {

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if (ch == "/" && maybeEnd) {

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state.tokenize = tokenBase;

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break;

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}

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maybeEnd = (ch == "%");

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}

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return "comment";

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}

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// tw strong / bold

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function twTokenStrong(stream, state) {

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var maybeEnd = false,

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ch;

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while (ch = stream.next()) {

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if (ch == "'" && maybeEnd) {

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state.tokenize = tokenBase;

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break;

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}

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maybeEnd = (ch == "'");

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}

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return "strong";

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}

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// tw code

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function twTokenCode(stream, state) {

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var sb = state.block;

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if (sb && stream.current()) {

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return "comment";

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}

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if (!sb && stream.match(reUntilCodeStop)) {

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state.tokenize = tokenBase;

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return "comment";

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}

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if (sb && stream.sol() && stream.match(reCodeBlockStop)) {

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state.tokenize = tokenBase;

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return "comment";

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}

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stream.next();

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return "comment";

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}

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// tw em / italic

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function twTokenEm(stream, state) {

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var maybeEnd = false,

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ch;

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while (ch = stream.next()) {

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if (ch == "/" && maybeEnd) {

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state.tokenize = tokenBase;

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break;

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}

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maybeEnd = (ch == "/");

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}

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return "em";

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}

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// tw underlined text

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function twTokenUnderline(stream, state) {

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var maybeEnd = false,

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ch;

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while (ch = stream.next()) {

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if (ch == "_" && maybeEnd) {

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state.tokenize = tokenBase;

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break;

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}

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maybeEnd = (ch == "_");

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}

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return "underlined";

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}

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// tw strike through text looks ugly

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// change CSS if needed

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function twTokenStrike(stream, state) {

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var maybeEnd = false, ch;

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while (ch = stream.next()) {

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if (ch == "-" && maybeEnd) {

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state.tokenize = tokenBase;

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break;

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}

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maybeEnd = (ch == "-");

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}

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return "strikethrough";

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}

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// macro

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function twTokenMacro(stream, state) {

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if (stream.current() == '<<') {

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return 'macro';

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}

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var ch = stream.next();

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if (!ch) {

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state.tokenize = tokenBase;

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return null;

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}

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if (ch == ">") {

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if (stream.peek() == '>') {

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stream.next();

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state.tokenize = tokenBase;

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return "macro";

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}

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}

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stream.eatWhile(/[\w\$_]/);

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return keywords.propertyIsEnumerable(stream.current()) ? "keyword" : null

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}

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// Interface

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return {

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startState: function () {

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return {tokenize: tokenBase};

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token: function (stream, state) {

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if (stream.eatSpace()) return null;

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var style = state.tokenize(stream, state);

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return style;

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}

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};

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});

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CodeMirror.defineMIME("text/x-tiddlywiki", "tiddlywiki");

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});

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