Add Dirk's Perl script to the -emacs mode question.

Submitted by:	Dirk-Willem van Gulik <dirkx@apache.org>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269386 13f79535-47bb-0310-9956-ffa450edef68

webpage/docs/faq.html

@@ -172,8 +172,8 @@
   Is Ant supported by my IDE/Editor?
   </a></li>
                     <li><a href="#emacs-mode">
-  Why doesn't (X)Emacs parse the error messages generated
-        by Ant correctly?
+  Why doesn't (X)Emacs/vi/MacOS X's project builder
+      parse the error messages generated by Ant correctly?
   </a></li>
                 </ul>
       </blockquote>
@@ -706,8 +706,8 @@ shell-prompt&gt; cat &lt; foo
     <tr><td bgcolor="#828DA6">
       <font color="#ffffff" face="arial,helvetica,sanserif">
         <strong>
-          Why doesn't (X)Emacs parse the error messages generated
-        by Ant correctly?
+          Why doesn't (X)Emacs/vi/MacOS X's project builder
+      parse the error messages generated by Ant correctly?
         </strong>
       </font>
     </td></tr>
@@ -715,7 +715,8 @@ shell-prompt&gt; cat &lt; foo
       <blockquote>
                               <p>Ant adds a "banner" with the name of the current
         task in front of all messages - and there are no built-in
-        regular expressions in Emacs that would account for this.</p>
+        regular expressions in your Editor that would account for
+        this.</p>
                                         <p>You can disable this banner by invoking Ant with the
         <code>-emacs</code> switch. Alternatively you can add the
         following snippet to your <code>.emacs</code> to make Emacs
@@ -738,6 +739,48 @@ shell-prompt&gt; cat &lt; foo
      ;; works for javac 
      '(&quot;^\\s-*\\[[^]]*\\]\\s-*\\(.+\\):\\([0-9]+\\):&quot; 1 2))
   compilation-error-regexp-alist))
+</pre></td>
+        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+      </tr>
+      <tr>
+        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+      </tr>
+    </table>
+  </div>
+                                        <p>Yet another alternative that preserves most of Ant's
+        formatting is to pipe Ant's output through the following Perl
+        script by Dirk-Willem van Gulik:</p>
+                                          <div align="left">
+    <table cellspacing="4" cellpadding="0" border="0">
+      <tr>
+        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+      </tr>
+      <tr>
+        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#ffffff"><pre>
+#!/usr/bin/perl
+#
+# May 2001 dirkx@apache.org - remove any
+# [foo] lines from the output; keeping
+# spacing more or less there.
+#
+$|=1;
+while(&lt;STDIN&gt;) {
+	if (s/^(\s+)\[(\w+)\]//) {
+		if ($2 ne $last) {
+			print &quot;$1\[$2\]&quot;;
+			$s = ' ' x length($2);
+		} else {
+			print &quot;$1 $s &quot;;
+		};
+		$last = $2;
+	};
+	print;
+};
 </pre></td>
         <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
       </tr>

webpage/xdocs/faq.xml

@@ -258,13 +258,14 @@ shell-prompt> cat < foo
     </faq>
 
     <faq id="emacs-mode">
-      <question>Why doesn&apos;t (X)Emacs parse the error messages generated
-        by Ant correctly?</question>
+      <question>Why doesn&apos;t (X)Emacs/vi/MacOS X's project builder
+      parse the error messages generated by Ant correctly?</question>
       <answer>
 
         <p>Ant adds a &quot;banner&quot; with the name of the current
         task in front of all messages - and there are no built-in
-        regular expressions in Emacs that would account for this.</p>
+        regular expressions in your Editor that would account for
+        this.</p>
 
         <p>You can disable this banner by invoking Ant with the
         <code>-emacs</code> switch. Alternatively you can add the
@@ -282,6 +283,32 @@ shell-prompt> cat < foo
   compilation-error-regexp-alist))
 ]]></source>
 
+        <p>Yet another alternative that preserves most of Ant's
+        formatting is to pipe Ant's output through the following Perl
+        script by Dirk-Willem van Gulik:</p>
+
+        <source><![CDATA[
+#!/usr/bin/perl
+#
+# May 2001 dirkx@apache.org - remove any
+# [foo] lines from the output; keeping
+# spacing more or less there.
+#
+$|=1;
+while(<STDIN>) {
+	if (s/^(\s+)\[(\w+)\]//) {
+		if ($2 ne $last) {
+			print "$1\[$2\]";
+			$s = ' ' x length($2);
+		} else {
+			print "$1 $s ";
+		};
+		$last = $2;
+	};
+	print;
+};
+]]></source>
+
       </answer>
     </faq>
   </faqsection>