Merge commit '6a7d3111b31e73fc66af5360149d41f690fbcaa4'

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diff --git a/sysret.org/themes/tabi-lean/static/js/lunr/lunr.jp.js b/sysret.org/themes/tabi-lean/static/js/lunr/lunr.jp.js
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+/*!
+ * Lunr languages, `Japanese` language
+ * https://github.com/MihaiValentin/lunr-languages
+ *
+ * Copyright 2014, Chad Liu
+ * http://www.mozilla.org/MPL/
+ */
+/*!
+ * based on
+ * Snowball JavaScript Library v0.3
+ * http://code.google.com/p/urim/
+ * http://snowball.tartarus.org/
+ *
+ * Copyright 2010, Oleg Mazko
+ * http://www.mozilla.org/MPL/
+ */
+
+/**
+ * export the module via AMD, CommonJS or as a browser global
+ * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js
+ */
+;
+(function(root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module.
+    define(factory)
+  } else if (typeof exports === 'object') {
+    /**
+     * Node. Does not work with strict CommonJS, but
+     * only CommonJS-like environments that support module.exports,
+     * like Node.
+     */
+    module.exports = factory()
+  } else {
+    // Browser globals (root is window)
+    factory()(root.lunr);
+  }
+}(this, function() {
+  /**
+   * Just return a value to define the module export.
+   * This example returns an object, but the module
+   * can return a function as the exported value.
+   */
+  return function(lunr) {
+    /* throw error if lunr is not yet included */
+    if ('undefined' === typeof lunr) {
+      throw new Error('Lunr is not present. Please include / require Lunr before this script.');
+    }
+
+    /* throw error if lunr stemmer support is not yet included */
+    if ('undefined' === typeof lunr.stemmerSupport) {
+      throw new Error('Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.');
+    }
+
+    /* register specific locale function */
+    lunr.jp = function() {
+      this.pipeline.reset();
+      this.pipeline.add(
+        lunr.jp.stopWordFilter,
+        lunr.jp.stemmer
+      );
+      // change the tokenizer for japanese one
+      lunr.tokenizer = lunr.jp.tokenizer;
+    };
+    var segmenter = new TinySegmenter();  // インスタンス生成
+
+    lunr.jp.tokenizer = function (obj) {
+        if (!arguments.length || obj == null || obj == undefined) return [];
+        if (Array.isArray(obj))
+            return obj.map(function (t) {
+                return t.toLowerCase();
+            });
+
+        var str = obj.toString().replace(/^\s+/, '');
+
+        for (var i = str.length - 1; i >= 0; i--) {
+            if (/\S/.test(str.charAt(i))) {
+                str = str.substring(0, i + 1);
+                break;
+            }
+        }
+
+        var segs = segmenter.segment(str); // 単語の配列が返る
+        return segs
+            .filter(function (token) {
+                return !!token;
+            })
+            .map(function (token) {
+                return token;
+            });
+    };
+
+    /* lunr stemmer function */
+    lunr.jp.stemmer = (function () {
+        /* TODO japanese stemmer  */
+        return function (word) {
+            return word;
+        };
+    })();
+
+    lunr.Pipeline.registerFunction(lunr.jp.stemmer, 'stemmer-jp');
+
+    /* stop word filter function */
+    lunr.jp.stopWordFilter = function(token) {
+      if (lunr.jp.stopWordFilter.stopWords.indexOf(token) === -1) {
+        return token;
+      }
+    };
+
+    lunr.jp.stopWordFilter.stopWords = new lunr.SortedSet();
+    lunr.jp.stopWordFilter.stopWords.length = 45;
+
+    // The space at the beginning is crucial: It marks the empty string
+    // as a stop word. lunr.js crashes during search when documents
+    // processed by the pipeline still contain the empty string.
+    // stopword for japanese is from http://www.ranks.nl/stopwords/japanese
+    lunr.jp.stopWordFilter.stopWords.elements = ' これ それ あれ この その あの ここ そこ あそこ こちら どこ だれ なに なん 何 私 貴方 貴方方 我々 私達 あの人 あのかた 彼女 彼 です あります おります います は が の に を で え から まで より も どの と し それで しかし'.split(' ');
+    lunr.Pipeline.registerFunction(lunr.jp.stopWordFilter, 'stopWordFilter-jp');
+  };
+}))