chapter01: Break a long sentence in askforhelp

and adjust the indent.

chapter01/askforhelp.xml

@@ -75,10 +75,12 @@
       <!--para>Deviating from this book does <emphasis>not</emphasis> mean that
       we will not help you. After all, LFS is about personal preference.
       Being upfront about any changes to the established procedure helps us
-	  evaluate and determine possible causes of your problem.</para-->
-	  <para>有超出本书内容的操作<emphasis>不</emphasis>意味着我们就不会协助您。
-		  无论如何， LFS 强调个人体验。在求助信中说明您对本书给出构建过程的改动，
-		  有助于我们猜测和确定问题的可能原因。</para>
+      evaluate and determine possible causes of your problem.</para-->
+      <para>有超出本书内容的操作，
+      <emphasis>并不</emphasis>意味着我们就不会协助您。
+      无论如何， LFS 强调个人体验。
+      在求助信中说明您对本书给出构建过程的改动，
+      有助于我们猜测和确定问题的可能原因。</para>
     </note>
 
   </sect2>