晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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DIR:/home/salvufkx/homedir/www/wp-content/plugins/tinymce-advanced/mce/visualchars/
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/**
 * plugin.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/*global tinymce:true */

tinymce.PluginManager.add('visualchars', function(editor) {
	var self = this, state;

	function toggleVisualChars(addBookmark) {
		var node, nodeList, i, body = editor.getBody(), nodeValue, selection = editor.selection, div, bookmark;
		var charMap, visualCharsRegExp;

		charMap = {
			'\u00a0': 'nbsp',
			'\u00ad': 'shy'
		};

		function wrapCharWithSpan(value) {
			return '<span data-mce-bogus="1" class="mce-' + charMap[value] + '">' + value + '</span>';
		}

		function compileCharMapToRegExp() {
			var key, regExp = '';

			for (key in charMap) {
				regExp += key;
			}

			return new RegExp('[' + regExp + ']', 'g');
		}

		function compileCharMapToCssSelector() {
			var key, selector = '';

			for (key in charMap) {
				if (selector) {
					selector += ',';
				}

				selector += 'span.mce-' + charMap[key];
			}

			return selector;
		}

		state = !state;
		self.state = state;
		editor.fire('VisualChars', {state: state});
		visualCharsRegExp = compileCharMapToRegExp();

		if (addBookmark) {
			bookmark = selection.getBookmark();
		}

		if (state) {
			nodeList = [];
			tinymce.walk(body, function(n) {
				if (n.nodeType == 3 && n.nodeValue && visualCharsRegExp.test(n.nodeValue)) {
					nodeList.push(n);
				}
			}, 'childNodes');

			for (i = 0; i < nodeList.length; i++) {
				nodeValue = nodeList[i].nodeValue;
				nodeValue = nodeValue.replace(visualCharsRegExp, wrapCharWithSpan);

				div = editor.dom.create('div', null, nodeValue);
				while ((node = div.lastChild)) {
					editor.dom.insertAfter(node, nodeList[i]);
				}

				editor.dom.remove(nodeList[i]);
			}
		} else {
			nodeList = editor.dom.select(compileCharMapToCssSelector(), body);

			for (i = nodeList.length - 1; i >= 0; i--) {
				editor.dom.remove(nodeList[i], 1);
			}
		}

		selection.moveToBookmark(bookmark);
	}

	function toggleActiveState() {
		var self = this;

		editor.on('VisualChars', function(e) {
			self.active(e.state);
		});
	}

	editor.addCommand('mceVisualChars', toggleVisualChars);

	editor.addButton('visualchars', {
		title: 'Show invisible characters',
		cmd: 'mceVisualChars',
		onPostRender: toggleActiveState
	});

	editor.addMenuItem('visualchars', {
		text: 'Show invisible characters',
		cmd: 'mceVisualChars',
		onPostRender: toggleActiveState,
		selectable: true,
		context: 'view',
		prependToContext: true
	});

	editor.on('beforegetcontent', function(e) {
		if (state && e.format != 'raw' && !e.draft) {
			state = true;
			toggleVisualChars(false);
		}
	});
});