Merge pull request #300 from himorin/issue-237

turn half-em to half em (except for existing links and anchors)

index.html

@@ -1221,7 +1221,7 @@ <h4 id="considerations_in_designing_the_kihonhanmen">
 
           </figure>
           <aside class="note" id="n30">
-            <p its-locale-filter-list="en" lang="en">It is common that the <a href="#term.line-gap" class="termref">line gap</a> for the kihon-hanmen is set to a value between <a href="#term.half-em-space" class="termref">half-em spacing</a> and the <a href="#term.one-em-space" class="termref">one em spacing</a> of the character frame used for the kihon-hanmen. Half-em spacing can be chosen in cases where the line length is short, but one em spacing or close to it is more appropriate when the line length is longer than 35 characters.</p>
+            <p its-locale-filter-list="en" lang="en">It is common that the <a href="#term.line-gap" class="termref">line gap</a> for the kihon-hanmen is set to a value between <a href="#term.half-em-space" class="termref">half em spacing</a> and the <a href="#term.one-em-space" class="termref">one em spacing</a> of the character frame used for the kihon-hanmen. Half em spacing can be chosen in cases where the line length is short, but one em spacing or close to it is more appropriate when the line length is longer than 35 characters.</p>
             <p its-locale-filter-list="ja" lang="ja"><span class="index" id="d3e4358">基本版面の<span class="index" id="d3e4360">行間</span></span>は，基本版面の文字サイズの<a href="#term.half-em-space" class="termref">二分アキ</a>以上，<a href="#term.one-em-space" class="termref">全角アキ</a>以下の範囲とすることが多い．行長が短い場合は，二分アキでもよい．35字を超えるような行長では，全角アキか，それよりやや詰めた行間にするのがよい．</p>
           </aside>
           <aside class="note" id="n31">