feat: support compression rules for punctuation marks

2020-03-15 23:23:59 +08:00 · 2020-03-15 23:23:59 +08:00 · dad41f310b
commit dad41f310b
parent c37bd4c0e1 fb46ef7c44
10 changed files with 196 additions and 62 deletions
--- a/README.md
+++ b/README.md
@ -4,6 +4,8 @@

 预览：[https://sivan.github.io/heti/](https://sivan.github.io/heti/)

+![Preview](https://raw.githubusercontent.com/sivan/heti/master/_site/assets/screenshot-grid.png)
+
 主要特性：
 - 贴合网格的排版；
 - 全标签样式美化；
@ -11,7 +13,7 @@
 - 预置多种排版样式（行间注、多栏、竖排等）；
 - 多种预设字体族（仅限桌面端）；
 - 简/繁体中文支持；
- 中西文混排美化（基于JavaScript脚本实现）；
+- 中西文混排美化，不再手敲空格👏（基于JavaScript脚本）；
 - 兼容 *normalize.css*、*CSS Reset* 等常见样式重置；
 - 移动端支持；
 - ……
@ -36,8 +38,8 @@

 ## WIP

- [ ] 标点挤压
- [ ] 标点悬挂
+- [ ] 自适应黑暗模式
+- [x] 标点挤压
 - [x] 中、西文混排
 - [x] 繁体中文支持
 - [x] 诗词版式
--- a/_site/assets/screenshot-grid.png
+++ b/_site/assets/screenshot-grid.png
--- a/_site/assets/screenshot.png
+++ b/_site/assets/screenshot.png
--- a/_site/heti-addon.js
+++ b/_site/heti-addon.js
@ -654,28 +654,32 @@
 	 * Add right spacing between CJK & ANS characters
 	 */

-	// 正则表达式来自 pangu.js https://github.com/vinta/pangu.js
-	const CJK = '\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30fa\u30fc-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff';
-	const A = 'A-Za-z\u0370-\u03ff';
-	const N = '0-9';
-	const S = '`~!@#\\$%\\^&\\*\\(\\)-_=\\+\\[\\]{}\\\\\\|;:\'",<.>\\/\\?';
-	const ANS = `${A}${N}${S}`;
+	const hasOwn = {}.hasOwnProperty;
 	const HETI_NON_CONTIGUOUS_ELEMENTS = Object.assign({}, findAndReplaceDOMText.NON_CONTIGUOUS_PROSE_ELEMENTS, {
-	  // Inline elements
 	  ins: 1, del: 1, s: 1,
 	});
 	const HETI_SKIPPED_ELEMENTS = Object.assign({}, findAndReplaceDOMText.NON_PROSE_ELEMENTS, {
-	  pre: 1, code: 1, sup: 1, sub: 1,
-	  // Heti elements
-	  'heti-spacing': 1,
+	  pre: 1, code: 1, sup: 1, sub: 1, 'heti-spacing': 1, 'heti-close': 1,
 	});
 	const HETI_SKIPPED_CLASS = 'heti-skip';
-	const hasOwn = {}.hasOwnProperty;
-	const REG_FULL = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
-	const REG_FULL_FIX = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
-	const REG_START = `([${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
-	const REG_END = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`;
-	const REG_END_FIX = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`;
+
+	// 部分正则表达式修改自 pangu.js https://github.com/vinta/pangu.js
+	const CJK = '\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30fa\u30fc-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff';
+	const A = 'A-Za-z\u0080-\u00ff\u0370-\u03ff';
+	const N = '0-9';
+	const S = '`~!@#\\$%\\^&\\*\\(\\)-_=\\+\\[\\]{}\\\\\\|;:\'",<.>\\/\\?';
+	const ANS = `${A}${N}${S}`;
+	const REG_CJK_FULL = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
+	const REG_CJK_START = `([${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
+	const REG_CJK_END = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`;
+	const REG_CJK_FULL_WITHOUT_LOOKBEHIND = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
+	const REG_CJK_END_WITHOUT_LOOKBEHIND = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`;
+	const REG_BD_STOP = `。．，、：；！‼？⁇`;
+	const REG_BD_SEP = `·・‧`;
+	const REG_BD_OPEN = `「『（《〈【〖〔［｛`;
+	const REG_BD_CLOSE = `」』）》〉】〗〕］｝`;
+	const REG_BD_START = `${REG_BD_OPEN}${REG_BD_CLOSE}`;
+	const REG_BD_END = `${REG_BD_STOP}${REG_BD_OPEN}${REG_BD_CLOSE}`;

 	class Heti {
 	  constructor (rootSelector) {
@ -689,13 +693,12 @@
 	    }

 	    this.rootSelector = rootSelector || '.heti';
-	    this.REG_FULL = new RegExp(supportLookBehind ? REG_FULL : REG_FULL_FIX, 'g');
-	    this.REG_START = new RegExp(REG_START, 'g');
-	    this.REG_END = new RegExp(supportLookBehind ? REG_END : REG_END_FIX, 'g');
+	    this.REG_FULL = new RegExp(supportLookBehind ? REG_CJK_FULL : REG_CJK_FULL_WITHOUT_LOOKBEHIND, 'g');
+	    this.REG_START = new RegExp(REG_CJK_START, 'g');
+	    this.REG_END = new RegExp(supportLookBehind ? REG_CJK_END : REG_CJK_END_WITHOUT_LOOKBEHIND, 'g');
 	    this.offsetWidth = supportLookBehind ? 0 : 1;
 	    this.funcForceContext = function forceContext (el) {
 	      return hasOwn.call(HETI_NON_CONTIGUOUS_ELEMENTS, el.nodeName.toLowerCase())
-	      // return true
 	    };
 	    this.funcFilterElements = function filterElements (el) {
 	      return (
@ -716,8 +719,8 @@
 	      forceContext: this.funcForceContext,
 	      filterElements: this.funcFilterElements,
 	    };
-	    const getWrapper = function (classList, text) {
-	      const $$r = document.createElement('heti-spacing');
+	    const getWrapper = function (elementName, classList, text) {
+	      const $$r = document.createElement(elementName);
 	      $$r.className = classList;
 	      $$r.textContent = text.trim();
 	      return $$r
@ -725,18 +728,30 @@

 	    findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
 	      find: this.REG_FULL,
-	      replace: portion => getWrapper('heti-spacing-start heti-spacing-end', portion.text),
+	      replace: portion => getWrapper('heti-spacing', 'heti-spacing-start heti-spacing-end', portion.text),
 	      offset: this.offsetWidth,
 	    }));

 	    findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
 	      find: this.REG_START,
-	      replace: portion => getWrapper('heti-spacing-start', portion.text),
+	      replace: portion => getWrapper('heti-spacing', 'heti-spacing-start', portion.text),
 	    }));

 	    findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
 	      find: this.REG_END,
-	      replace: portion => getWrapper('heti-spacing-end', portion.text),
+	      replace: portion => getWrapper('heti-spacing', 'heti-spacing-end', portion.text),
+	      offset: this.offsetWidth,
+	    }));
+
+	    findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
+	      find: new RegExp(`([${REG_BD_STOP}])(?=[${REG_BD_START}])|([${REG_BD_OPEN}])(?=[${REG_BD_OPEN}])|([${REG_BD_CLOSE}])(?=[${REG_BD_END}])`,'g'),
+	      replace: portion => getWrapper('heti-adjacent', 'heti-adjacent-half', portion.text),
+	      offset: this.offsetWidth,
+	    }));
+
+	    findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
+	      find: new RegExp(`([${REG_BD_SEP}])(?=[${REG_BD_OPEN}])|([${REG_BD_CLOSE}])(?=[${REG_BD_SEP}])`,'g'),
+	      replace: portion => getWrapper('heti-adjacent', 'heti-adjacent-quarter', portion.text),
 	      offset: this.offsetWidth,
 	    }));
 	  }
--- a/_site/heti.css
+++ b/_site/heti.css
@ -802,3 +802,15 @@
 .heti .heti-spacing-end {
  margin-inline-start: 0.25em;
 }
+
+.heti heti-adjacent {
+  display: inline;
+}
+
+.heti .heti-adjacent-half {
+  margin-inline-end: -0.5em;
+}
+
+.heti .heti-adjacent-quarter {
+  margin-inline-end: -0.25em;
+}
--- a/_site/index.html
+++ b/_site/index.html
@ -13,7 +13,7 @@
  <main class="container">
    <article class="article heti heti--classic">
      <h1>赫蹏</h1>
-      <blockquote>古代称用以书写的小幅绢帛。后亦以借指纸。《汉书·外戚传下·孝成赵皇后》：<q>武（籍武 ）发篋中，有裹药二枚，赫蹏书。</q><u>颜师古</u>注：<q><u>邓展</u>曰：<q>赫音兄弟鬩墙之鬩。</q><u>应劭</u>曰：<q>赫蹏，薄小纸也。</q></q><u>宋</u><u>赵彦卫</u> 《云麓漫钞》卷七：<q>《赵后传》所谓『赫蹏』者，注云<q>薄小纸</q>，然其寔亦縑帛。</q></blockquote>
+      <blockquote>古代称用以书写的小幅绢帛。后亦以借指纸。《汉书·外戚传下·孝成赵皇后》：「武（籍武 ）发篋中，有裹药二枚，赫蹏书。」<u>颜师古</u>注：「<u>邓展</u>曰：『赫音兄弟鬩墙之鬩。』<u>应劭</u>曰：『赫蹏，薄小纸也。』」<u>宋</u><u>赵彦卫</u> 《云麓漫钞》卷七：「《赵后传》所谓『赫蹏』者，注云『薄小纸』，然其寔亦縑帛。」</blockquote>

      <nav class="article__toc heti-skip">
        <details open>
@ -55,7 +55,8 @@
        <li>预置多种排版样式（行间注、多栏、竖排等）；</li>
        <li>多种预设字体族（仅限桌面端）；</li>
        <li>简/繁体中文支持；</li>
-        <li>中西文混排美化（基于JavaScript脚本实现）；</li>
+        <li>中西文混排美化，不再手敲空格（基于JavaScript脚本）；</li>
+        <li>标点挤压（基于JavaScript脚本）；</li>
        <li>兼容<i>normalize.css</i>、<i>CSS Reset<sup><a id="ref-01" href="#fn-01">[1]</a></sup></i>等常见样式重置；</li>
        <li>移动端支持；</li>
        <li>……</li>
@ -464,15 +465,89 @@
      </details>

      <h3 id="javascript">增强脚本<sup>beta</sup><a class="anchor" href="#javascript">#</a></h3>
-      <p>由于部分CSS特性尚未有浏览器，所以可选择使用增强脚本进行中西文混排优化。无论你的输入习惯是否在中西文之间加入「空格」，都会统一成一样的间距（1/4字宽的空白）。</p>
+      <p>由于部分CSS特性尚未有浏览器支持等原因，可选择使用增强脚本进行排版效果优化。目前增强脚本的功能有：</p>
+      <ul>
+        <li>中英文混排优化：无论你的输入习惯是否在中西文之间留有「空格」<sup><a id="ref-03" href="#fn-03">[3]</a></sup>，都会统一成标准间距（¼字宽的空白）；</li>
+        <li>标点挤压：自动对中文标点进行½字宽的挤压（间隔符挤压¼字宽）。</li>
+      </ul>
      <details>
-        <summary>查看使用说明</summary>
+        <summary>使用方法与效果</summary>
        <p>在页面的<code>&lt;/body&gt;</code>标签前引入JavaScript脚本：</p>
        <pre><code>&lt;script src=&quot;//unpkg.com/heti/umd/heti-addon.min.js&quot;&gt;&lt;/script&gt;
 &lt;script&gt;
-  const heti = new Heti();
+  const heti = new Heti('.heti');
  heti.autoSpacing();
 &lt;/script&gt;</code></pre>
+        <section>
+          <table>
+            <caption>增强脚本示例表</caption>
+            <tr>
+              <th colspan="4">中英文间距</th>
+            </tr>
+            <tr>
+              <th style="width: 80px;">默认文本</th>
+              <td colspan="3">
+                <div class="heti-skip"><b>Hello, world!</b>是大家第一次学习Programming时最常写的demo，它看似简单，但对有些人来说寥寥数语有时也会产生bug。</div>
+              </td>
+            </tr>
+            <tr>
+              <th>脚本效果</th>
+              <td colspan="3">
+                <div><b>Hello, world!</b>是大家第一次学习Programming时最常写的demo，它看似简单，但对有些人来说寥寥数语有时也会产生bug。</div>
+              </td>
+            </tr>
+            <tr>
+              <th colspan="4">标点挤压</th>
+            </tr>
+            <tr>
+              <th>默认文本</th>
+              <td colspan="3">
+                <blockquote class="heti-skip" style="margin-inline-start: 0; margin-inline-end: 0;">古代称用以书写的小幅绢帛。后亦以借指纸<mark>。《</mark>汉书·外戚传下·孝成赵皇后<mark>》：「</mark>武（籍武 ）发篋中，有裹药二枚，赫蹏书。」<u>颜师古</u>注：「<u>邓展</u>曰：『赫音兄弟鬩墙之鬩。』<u>应劭</u>曰：『赫蹏，薄小纸也。』」<u>宋</u><u>赵彦卫</u> 《云麓漫钞》卷七：「《赵后传》所谓『赫蹏』者，注云『薄小纸』，然其寔亦縑帛。」</blockquote>
+              </td>
+            </tr>
+            <tr>
+              <th>脚本效果</th>
+              <td colspan="3">
+                <blockquote style="margin-inline-start: 0; margin-inline-end: 0;">古代称用以书写的小幅绢帛。后亦以借指纸<mark>。《</mark>汉书·外戚传下·孝成赵皇后<mark>》：「</mark>武（籍武 ）发篋中，有裹药二枚，赫蹏书。」<u>颜师古</u>注：「<u>邓展</u>曰：『赫音兄弟鬩墙之鬩。』<u>应劭</u>曰：『赫蹏，薄小纸也。』」<u>宋</u><u>赵彦卫</u> 《云麓漫钞》卷七：「《赵后传》所谓『赫蹏』者，注云『薄小纸』，然其寔亦縑帛。」</blockquote>
+              </td>
+            </tr>
+            <!--
+            <tr>
+              <th colspan="4">标点挤压</th>
+            </tr>
+            <tr>
+              <th>默认文本</th>
+              <td>
+                <ul class="heti-skip">
+                  <li>结束。」</li>
+                  <li>结束」，</li>
+                  <li>开始。「</li>
+                  <li>连接」「</li>
+                  <li>连续「『</li>
+                  <li>连续』」</li>
+                  <li>间隔号」·</li>
+                  <li>间隔号·「</li>
+                  <li>不改「」</li>
+                </ul>
+              </td>
+              <th>脚本效果</th>
+              <td>
+                <ul>
+                  <li>结束。」</li>
+                  <li>结束」，</li>
+                  <li>开始。「</li>
+                  <li>连接」「</li>
+                  <li>连续「『</li>
+                  <li>连续』」</li>
+                  <li>间隔号」·</li>
+                  <li>间隔号·「</li>
+                  <li>不改「」</li>
+                </ul>
+              </td>
+            </tr>
+            -->
+          </table>
+        </section>
      </details>

      <h3 id="license">开源协议<a class="anchor" href="#tags">#</a></h3>
@ -482,8 +557,8 @@

      <h2 id="wip">待开发功能<a class="anchor" href="#wip">#</a></h2>
      <ul>
-        <li>☑ 标点挤压</li>
-        <li>☑ 标点悬挂</li>
+        <li>☑ 自适应黑暗模式</li>
+        <li>✅ 标点挤压</li>
        <li>✅ 中、西文混排</li>
        <li>✅ 诗词版式</li>
        <li>✅ 行间注版式</li>
@ -499,6 +574,9 @@
            <a href="#ref-02" title="移至">^</a>
            《中文排版需求》：https://w3c.github.io/clreq/
          </li>
+          <li id="fn-03">
+            <a href="#ref-03" title="移至">^</a>在当下前端技术尚不能完美解决中西文混排间距的情况下，常见的输入习惯是手动在中西文间加入空格（https://github.com/vinta/pangu.js）。这样做的弊端一是间距不可控（有时显得过大），二是通过空格符来排版只能算无奈之举。好消息是在最新的macOS、iOS中，使用原生语言开发的文本区域会自动处理中西文混排的间距（无论是否加空格），期待不用手敲空格的日子早日到来。
+          </li>
        </ol>
      </footer>
    </article>
--- a/js/heti-addon.js
+++ b/js/heti-addon.js
@ -5,28 +5,32 @@

 import Finder from 'heti-findandreplacedomtext'

-// 正则表达式来自 pangu.js https://github.com/vinta/pangu.js
-const CJK = '\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30fa\u30fc-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff'
-const A = 'A-Za-z\u0370-\u03ff'
-const N = '0-9'
-const S = '`~!@#\\$%\\^&\\*\\(\\)-_=\\+\\[\\]{}\\\\\\|;:\'",<.>\\/\\?'
-const ANS = `${A}${N}${S}`
+const hasOwn = {}.hasOwnProperty
 const HETI_NON_CONTIGUOUS_ELEMENTS = Object.assign({}, Finder.NON_CONTIGUOUS_PROSE_ELEMENTS, {
-  // Inline elements
  ins: 1, del: 1, s: 1,
 })
 const HETI_SKIPPED_ELEMENTS = Object.assign({}, Finder.NON_PROSE_ELEMENTS, {
-  pre: 1, code: 1, sup: 1, sub: 1,
-  // Heti elements
-  'heti-spacing': 1,
+  pre: 1, code: 1, sup: 1, sub: 1, 'heti-spacing': 1, 'heti-close': 1,
 })
 const HETI_SKIPPED_CLASS = 'heti-skip'
-const hasOwn = {}.hasOwnProperty
-const REG_FULL = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`
-const REG_FULL_FIX = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`
-const REG_START = `([${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`
-const REG_END = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`
-const REG_END_FIX = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`
+
+// 部分正则表达式修改自 pangu.js https://github.com/vinta/pangu.js
+const CJK = '\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30fa\u30fc-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff'
+const A = 'A-Za-z\u0080-\u00ff\u0370-\u03ff'
+const N = '0-9'
+const S = '`~!@#\\$%\\^&\\*\\(\\)-_=\\+\\[\\]{}\\\\\\|;:\'",<.>\\/\\?'
+const ANS = `${A}${N}${S}`
+const REG_CJK_FULL = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`
+const REG_CJK_START = `([${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`
+const REG_CJK_END = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`
+const REG_CJK_FULL_WITHOUT_LOOKBEHIND = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`
+const REG_CJK_END_WITHOUT_LOOKBEHIND = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`
+const REG_BD_STOP = `。．，、：；！‼？⁇`
+const REG_BD_SEP = `·・‧`
+const REG_BD_OPEN = `「『（《〈【〖〔［｛`
+const REG_BD_CLOSE = `」』）》〉】〗〕］｝`
+const REG_BD_START = `${REG_BD_OPEN}${REG_BD_CLOSE}`
+const REG_BD_END = `${REG_BD_STOP}${REG_BD_OPEN}${REG_BD_CLOSE}`

 class Heti {
  constructor (rootSelector) {
@ -40,13 +44,12 @@ class Heti {
    }

    this.rootSelector = rootSelector || '.heti'
-    this.REG_FULL = new RegExp(supportLookBehind ? REG_FULL : REG_FULL_FIX, 'g')
-    this.REG_START = new RegExp(REG_START, 'g')
-    this.REG_END = new RegExp(supportLookBehind ? REG_END : REG_END_FIX, 'g')
+    this.REG_FULL = new RegExp(supportLookBehind ? REG_CJK_FULL : REG_CJK_FULL_WITHOUT_LOOKBEHIND, 'g')
+    this.REG_START = new RegExp(REG_CJK_START, 'g')
+    this.REG_END = new RegExp(supportLookBehind ? REG_CJK_END : REG_CJK_END_WITHOUT_LOOKBEHIND, 'g')
    this.offsetWidth = supportLookBehind ? 0 : 1
    this.funcForceContext = function forceContext (el) {
      return hasOwn.call(HETI_NON_CONTIGUOUS_ELEMENTS, el.nodeName.toLowerCase())
-      // return true
    }
    this.funcFilterElements = function filterElements (el) {
      return (
@ -67,8 +70,8 @@ class Heti {
      forceContext: this.funcForceContext,
      filterElements: this.funcFilterElements,
    }
-    const getWrapper = function (classList, text) {
-      const $$r = document.createElement('heti-spacing')
+    const getWrapper = function (elementName, classList, text) {
+      const $$r = document.createElement(elementName)
      $$r.className = classList
      $$r.textContent = text.trim()
      return $$r
@ -76,18 +79,30 @@ class Heti {

    Finder($$elm, Object.assign({}, commonConfig, {
      find: this.REG_FULL,
-      replace: portion => getWrapper('heti-spacing-start heti-spacing-end', portion.text),
+      replace: portion => getWrapper('heti-spacing', 'heti-spacing-start heti-spacing-end', portion.text),
      offset: this.offsetWidth,
    }))

    Finder($$elm, Object.assign({}, commonConfig, {
      find: this.REG_START,
-      replace: portion => getWrapper('heti-spacing-start', portion.text),
+      replace: portion => getWrapper('heti-spacing', 'heti-spacing-start', portion.text),
    }))

    Finder($$elm, Object.assign({}, commonConfig, {
      find: this.REG_END,
-      replace: portion => getWrapper('heti-spacing-end', portion.text),
+      replace: portion => getWrapper('heti-spacing', 'heti-spacing-end', portion.text),
+      offset: this.offsetWidth,
+    }))
+
+    Finder($$elm, Object.assign({}, commonConfig, {
+      find: new RegExp(`([${REG_BD_STOP}])(?=[${REG_BD_START}])|([${REG_BD_OPEN}])(?=[${REG_BD_OPEN}])|([${REG_BD_CLOSE}])(?=[${REG_BD_END}])`,'g'),
+      replace: portion => getWrapper('heti-adjacent', 'heti-adjacent-half', portion.text),
+      offset: this.offsetWidth,
+    }))
+
+    Finder($$elm, Object.assign({}, commonConfig, {
+      find: new RegExp(`([${REG_BD_SEP}])(?=[${REG_BD_OPEN}])|([${REG_BD_CLOSE}])(?=[${REG_BD_SEP}])`,'g'),
+      replace: portion => getWrapper('heti-adjacent', 'heti-adjacent-quarter', portion.text),
      offset: this.offsetWidth,
    }))
  }
--- a/lib/helpers/_add-on.scss
+++ b/lib/helpers/_add-on.scss
@ -20,4 +20,16 @@
  .heti-spacing-end {
    margin-inline-start: 0.25em;
  }
+
+  heti-adjacent {
+    display: inline;
+  }
+
+  .heti-adjacent-half {
+    margin-inline-end: -0.5em;
+  }
+
+  .heti-adjacent-quarter {
+    margin-inline-end: -0.25em;
+  }
 }
--- a/package-lock.json
+++ b/package-lock.json
@ -1,6 +1,6 @@
 {
  "name": "heti",
-  "version": "0.5.0",
+  "version": "0.6.0",
  "lockfileVersion": 1,
  "requires": true,
  "dependencies": {
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
  "name": "heti",
-  "version": "0.5.0",
+  "version": "0.6.0",
  "description": "赫蹏是专为中文内容展示设计的排版样式增强。它基于通行的中文排版规范而来，可以为网站的读者带来更好的文章阅读体验。",
  "main": "lib/heti.scss",
  "files": [