+(P.\pageref{group__m17nIntro}) @endlatexonly for the detail. */
+
+/***en @section extralib External libraries and data */
+/***ja @section extralib ³°Éô¥é¥¤¥Ö¥é¥ê¡¿¥Ç¡¼¥¿ */
+/***
+
+The m17n library utilizes these external libraries. They are not
+mandatory but several functions of the m17n library depend on them.
+
+<ul>
+<li> m17n-db -- http://www.m17n.org/m17n-db/
+
+ Used by @ref m17nShell and @ref m17nGUI..
+
+<li> libxml2 -- http://xmlsoft.org/
+
+ Used by the functions mtext_serialize () and mtext_deserialize ().
+
+<li> fribidi -- http://fribidi.sourceforge.net/
+
+ Used for BIDI processing.
+
+<li> freetype -- http://www.freetype.org/
+
+ Used for handling TrueType and Type1 fonts.