- "Desktop entries" subsection does not appear in zh_TW trans. of porters' handbook

- add it (translated)

PR:		docs/99829
Submitted by:	clsung@

zh_TW.Big5/books/porters-handbook/book.sgml

@@ -4838,6 +4838,33 @@ BUILD_DEPENDS+= Xvfb:${X_VFBSERVER_PORT} \
 
       </sect2>
 
+      <sect2 id="desktop-entries">
+	<title>Desktop entries</title>
+
+	<para>Desktop Entries (<ulink
+	  url="http://standards.freedesktop.org/desktop-entry-spec/latest/">Freedesktop
+	  standard</ulink>) 可以經由設定 <makevar>DESKTOP_ENTRIES</makevar> 
+	  變數而輕易地建立在你的 port 之中。這些項目會在相應的桌面環境如 GNOME 或
+	  KDE 的應用程式選單中出現。檔案 <filename>.desktop</filename> 
+	  將會被建立、安裝以及自動地加入 <filename>pkg-plist</filename> 
+	  中。語法為：</para>
+
+	<programlisting>DESKTOP_ENTRIES=  "NAME" "COMMENT" "ICON" "COMMAND" "CATEGORY" StartupNotify</programlisting>
+
+	<para>項目分類可參考 <ulink
+	  url="http://standards.freedesktop.org/menu-spec/latest/apa.html">
+	  Freedesktop website</ulink>。  變數 <makevar>StartupNotify</makevar>
+	  決定應用程式在支援 startup noficication 的環境下是否清除狀態。</para>
+
+	<para>範例：</para>
+
+	<programlisting>DESKTOP_ENTRIES=  "ToME" "Roguelike game based on JRR Tolkien's work" \
+                  "${DATADIR}/xtra/graf/tome-128.png" \
+                  "tome -v -g" "Application;Game;RolePlaying" \
+                  false</programlisting>
+
+      </sect2>
+
     </sect1>
 
     <sect1 id="using-gnome">