Refine English description for Han character spacing and alignment

Author: xfq

index.html

@@ -3075,7 +3075,7 @@ <h4>
   <p its-locale-filter-list="zh-hant" lang="zh-hant">由於漢字各字等寬的性質，無論在直排或橫排的情況下，除了行兩端對齊外，亦求各行間的各個漢字能夠縱橫對齊。若遇西文字母或阿拉伯數字採用比例字體，便難以滿足這項原則，處理方式如下：</p>
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     <li id="id119">
-      <p its-locale-filter-list="en" lang="en" class="checkme">Instead of 1/4-em spacing between a Han character and an alphanumeric, it is possible to use flexible spacing of up to 1/2&nbsp;em. This brings the space occupied by Western characters to a multiple of the width of a Han character. In this way, both the Han characters before and after a Western text span snap to the grid lines.</p>
+      <p its-locale-filter-list="en" lang="en" class="checkme">Instead of 1/4-em spacing between a Han character and an alphanumeric, it is possible to use flexible spacing of up to 1/2&nbsp;em. This ensures that the space occupied by Western text is an integer multiple of the space occupied by Han characters, guaranteeing that the Han characters before and after the Western text are vertically and horizontally aligned.</p>
       <p its-locale-filter-list="zh-hans" lang="zh-hans">汉字与西文字母或阿拉伯数字间不使用四分之一汉字宽的字距，而是加入大于零、小于等于二分之一汉字宽的弹性空白，使西文所占的空间为汉字的整数倍，确保西文前后的汉字都能纵横对齐。</p>
       <p its-locale-filter-list="zh-hant" lang="zh-hant">漢字與西文字母或阿拉伯数字間不使用四分之一漢字寬之字距，而是加入大於零、小於等於二分之一漢字寬的彈性空白，使西文所佔之空間為漢字的整數倍，確保西文前後之漢字都能縱橫對齊。</p>
     </li>