diff --git a/chapter07/locale.html b/chapter07/locale.html
index 70eb408..bd54496 100644
--- a/chapter07/locale.html
+++ b/chapter07/locale.html
@@ -162,133 +162,6 @@ EOF</kbd>
           class="quote">“<span class="quote">unknown 8-bit</span>”</span>）。
         所以，如果你一定以及肯定一定不会用到 8 位的字符，那你可以仅使用<span class="quote">“<span
             class="quote">C</span>”</span>。</p>
-      <p>
-        <meta http-equiv="content-type" content="text/html;
-          charset=UTF-8">
-        <span style="color: rgb(34, 34, 34); font-family: verdana,
-          tahoma, helvetica, arial, sans-serif; font-size: 16px;
-          font-style: normal; font-variant: normal; font-weight: normal;
-          letter-spacing: normal; line-height: 19.2000007629395px;
-          orphans: auto; text-align: left; text-indent: 0px;
-          text-transform: none; white-space: normal; widows: 1;
-          word-spacing: 0px; -webkit-text-stroke-width: 0px; display:
-          inline !important; float: none; background-color: rgb(255,
-          255, 255);">(付上上文的原文)The<span class="Apple-converted-space">&nbsp;</span></span><span
-          class="quote" style="color: rgb(34, 34, 34); font-family:
-          verdana, tahoma, helvetica, arial, sans-serif; font-size:
-          16px; font-style: normal; font-variant: normal; font-weight:
-          normal; letter-spacing: normal; line-height:
-          19.2000007629395px; orphans: auto; text-align: left;
-          text-indent: 0px; text-transform: none; white-space: normal;
-          widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;
-          background-color: rgb(255, 255, 255);">“<span class="quote">C</span>”</span><span
-          style="color: rgb(34, 34, 34); font-family: verdana, tahoma,
-          helvetica, arial, sans-serif; font-size: 16px; font-style:
-          normal; font-variant: normal; font-weight: normal;
-          letter-spacing: normal; line-height: 19.2000007629395px;
-          orphans: auto; text-align: left; text-indent: 0px;
-          text-transform: none; white-space: normal; widows: 1;
-          word-spacing: 0px; -webkit-text-stroke-width: 0px; display:
-          inline !important; float: none; background-color: rgb(255,
-          255, 255);"><span class="Apple-converted-space">&nbsp;</span>(default)
-          and<span class="Apple-converted-space">&nbsp;</span></span><span
-          class="quote" style="color: rgb(34, 34, 34); font-family:
-          verdana, tahoma, helvetica, arial, sans-serif; font-size:
-          16px; font-style: normal; font-variant: normal; font-weight:
-          normal; letter-spacing: normal; line-height:
-          19.2000007629395px; orphans: auto; text-align: left;
-          text-indent: 0px; text-transform: none; white-space: normal;
-          widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;
-          background-color: rgb(255, 255, 255);">“<span class="quote">en_US</span>”</span><span
-          style="color: rgb(34, 34, 34); font-family: verdana, tahoma,
-          helvetica, arial, sans-serif; font-size: 16px; font-style:
-          normal; font-variant: normal; font-weight: normal;
-          letter-spacing: normal; line-height: 19.2000007629395px;
-          orphans: auto; text-align: left; text-indent: 0px;
-          text-transform: none; white-space: normal; widows: 1;
-          word-spacing: 0px; -webkit-text-stroke-width: 0px; display:
-          inline !important; float: none; background-color: rgb(255,
-          255, 255);"><span class="Apple-converted-space">&nbsp;</span>(the
-          recommended one for United States English users) locales are
-          different.<span class="Apple-converted-space">&nbsp;</span></span><span
-          class="quote" style="color: rgb(34, 34, 34); font-family:
-          verdana, tahoma, helvetica, arial, sans-serif; font-size:
-          16px; font-style: normal; font-variant: normal; font-weight:
-          normal; letter-spacing: normal; line-height:
-          19.2000007629395px; orphans: auto; text-align: left;
-          text-indent: 0px; text-transform: none; white-space: normal;
-          widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;
-          background-color: rgb(255, 255, 255);">“<span class="quote">C</span>”</span><span
-          style="color: rgb(34, 34, 34); font-family: verdana, tahoma,
-          helvetica, arial, sans-serif; font-size: 16px; font-style:
-          normal; font-variant: normal; font-weight: normal;
-          letter-spacing: normal; line-height: 19.2000007629395px;
-          orphans: auto; text-align: left; text-indent: 0px;
-          text-transform: none; white-space: normal; widows: 1;
-          word-spacing: 0px; -webkit-text-stroke-width: 0px; display:
-          inline !important; float: none; background-color: rgb(255,
-          255, 255);"><span class="Apple-converted-space">&nbsp;</span>uses
-          the US-ASCII 7-bit character set, and treats bytes with the
-          high bit set as invalid characters. That's why, e.g., the<span
-            class="Apple-converted-space">&nbsp;</span></span><span
-          class="command" style="font-family: monospace; color: rgb(34,
-          34, 34); font-style: normal; font-variant: normal;
-          font-weight: normal; letter-spacing: normal; line-height:
-          19.2000007629395px; orphans: auto; text-align: left;
-          text-indent: 0px; text-transform: none; white-space: normal;
-          widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;
-          background-color: rgb(255, 255, 255);"><strong>ls</strong></span><span
-          style="color: rgb(34, 34, 34); font-family: verdana, tahoma,
-          helvetica, arial, sans-serif; font-size: 16px; font-style:
-          normal; font-variant: normal; font-weight: normal;
-          letter-spacing: normal; line-height: 19.2000007629395px;
-          orphans: auto; text-align: left; text-indent: 0px;
-          text-transform: none; white-space: normal; widows: 1;
-          word-spacing: 0px; -webkit-text-stroke-width: 0px; display:
-          inline !important; float: none; background-color: rgb(255,
-          255, 255);"><span class="Apple-converted-space">&nbsp;</span>command
-          substitutes them with question marks in that locale. Also, an
-          attempt to send mail with such characters from Mutt or Pine
-          results in non-RFC-conforming messages being sent (the charset
-          in the outgoing mail is indicated as<span
-            class="Apple-converted-space">&nbsp;</span></span><span
-          class="quote" style="color: rgb(34, 34, 34); font-family:
-          verdana, tahoma, helvetica, arial, sans-serif; font-size:
-          16px; font-style: normal; font-variant: normal; font-weight:
-          normal; letter-spacing: normal; line-height:
-          19.2000007629395px; orphans: auto; text-align: left;
-          text-indent: 0px; text-transform: none; white-space: normal;
-          widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;
-          background-color: rgb(255, 255, 255);">“<span class="quote">unknown
-            8-bit</span>”</span><span style="color: rgb(34, 34, 34);
-          font-family: verdana, tahoma, helvetica, arial, sans-serif;
-          font-size: 16px; font-style: normal; font-variant: normal;
-          font-weight: normal; letter-spacing: normal; line-height:
-          19.2000007629395px; orphans: auto; text-align: left;
-          text-indent: 0px; text-transform: none; white-space: normal;
-          widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;
-          display: inline !important; float: none; background-color:
-          rgb(255, 255, 255);">). So you can use the<span
-            class="Apple-converted-space">&nbsp;</span></span><span
-          class="quote" style="color: rgb(34, 34, 34); font-family:
-          verdana, tahoma, helvetica, arial, sans-serif; font-size:
-          16px; font-style: normal; font-variant: normal; font-weight:
-          normal; letter-spacing: normal; line-height:
-          19.2000007629395px; orphans: auto; text-align: left;
-          text-indent: 0px; text-transform: none; white-space: normal;
-          widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;
-          background-color: rgb(255, 255, 255);">“<span class="quote">C</span>”</span><span
-          style="color: rgb(34, 34, 34); font-family: verdana, tahoma,
-          helvetica, arial, sans-serif; font-size: 16px; font-style:
-          normal; font-variant: normal; font-weight: normal;
-          letter-spacing: normal; line-height: 19.2000007629395px;
-          orphans: auto; text-align: left; text-indent: 0px;
-          text-transform: none; white-space: normal; widows: 1;
-          word-spacing: 0px; -webkit-text-stroke-width: 0px; display:
-          inline !important; float: none; background-color: rgb(255,
-          255, 255);">locale only if you are sure that you will never
-          need 8-bit characters.</span><br>
-      </p>
       <p> 不少程序还不支持 UTF-8 区域设置（译者注：作者，你确定你不是在瞎说？）。Work is in progress to
         document and, if possible, fix such problems, see <a
           class="ulink"