Editorial fixes (#364)

Fix #296.

index.html

@@ -745,9 +745,9 @@ <h4>
       <p its-locale-filter-list="zh-hant" lang="zh-hant">本部分說明如何以版心作為基本排版體裁來設計各頁面。</p>
       <ol>
         <li id="id39">
-          <p its-locale-filter-list="en" lang="en"><span class="leadin">Realm and position of headings:</span> The direction and size of the characters of the heading should be based on the number of lines in the type area. The size of the indent is usually specified as the number of characters in the type area.</p>
-          <p its-locale-filter-list="zh-hans" lang="zh-hans">配置标题的空间与位置标题所使用空间的文字方向与尺寸，以版心设定的行的位置为基准，采用数行的空间来设计。标题缩排时的处理，以版心所设定的文字尺寸为基准，决定要缩排的量。</p>
-          <p its-locale-filter-list="zh-hant" lang="zh-hant">配置標題的空間與位置標題所使用空間之文字方向與尺寸，以版心設定的行的位置為基準，採用數行的空間來設計。標題縮排時的處理，以版心所設定的文字尺寸為基準，決定要縮排的量。</p>
+          <p its-locale-filter-list="en" lang="en"><span class="leadin">Realm and position of headings:</span> The spacing of the heading in the block direction (i.e., height of the heading in horizontal writing mode or width of the heading in vertical writing mode) should be calculated from the position of the body text, and set to a multiple of the number of lines. If indent of the heading space is required, the starting point should be from the body text position set by the type area, and the amount of indent should be a multiple of the body text size.</p>
+          <p its-locale-filter-list="zh-hans" lang="zh-hans"><span class="leadin">标题所占空间与位置：</span>对于标题在行排列方向所占尺寸（即横排时的标题高度、直排时的标题宽度），应该以版心正文里的行位置为起算基准，设置成正文行数的整数倍。如果要对标题进行缩排，则应该以版心所设定的正文位置为基准，缩排量为正文字号的整数倍。</p>
+          <p its-locale-filter-list="zh-hant" lang="zh-hant" class="checkme"><span class="leadin">標題所占空間與位置：</span>對於標題在行排列方向所占尺寸（即橫排時的標題高度、直排時的標題寬度），應該以版心正文裏的行位置為起算基準，設置成正文行數的整數倍。如果要對標題進行縮排，則應該以版心所設定的正文位置為基準，縮排量為正文字號的整數倍。</p>
         </li>
         <li id="id40">
           <p its-locale-filter-list="en" lang="en"><span class="leadin">Size of illustrations:</span> In horizontal writing mode, the width of illustrations should, if at all possible, be the width of the type area; in horizontal writing mode with multiple columns, the width of illustrations should, if at all possible, be the width of one type area column. The illustrations are usually set at the head or the foot of the page. Likewise, in vertical writing mode, the height of illustrations should, if at all possible, be either the height of one type area column or the height of the type area. The illustrations are usually set at the right or left of the type area.</p>