X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fm17n-core.c;h=945745e01520a32a903df41a9418707e22239482;hb=refs%2Ftags%2FREL-1-6-1;hp=36204170e6789a70bf5a13863dcf50afc1d2aa6a;hpb=748967427e0c59649099ee428b73f1d6a7987a6c;p=m17n%2Fm17n-lib.git

diff --git a/src/m17n-core.c b/src/m17n-core.c
index 3620417..945745e 100644
--- a/src/m17n-core.c
+++ b/src/m17n-core.c
@@ -1,5 +1,5 @@
 /* m17n-core.c -- body of the CORE API.
-   Copyright (C) 2003, 2004
+   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H15PRO112
 
@@ -17,7 +17,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the m17n library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    02111-1307, USA.  */
 
 /***en
@@ -26,93 +26,103 @@
 
     <em>API LEVELS</em>
 
-    The API of the m17n library is divided into these four.
+    The API of the m17n library is divided into these five.
 
     <ol>
     <li> CORE API
 
-    It provides basic modules to handle M-texts.  They do not require
-    the m17n database.  To use this API, an application program must
-    include <m17n-core<EM></EM>.h> and be linked by -lm17n-core.
+    It provides basic modules to handle M-texts.  To use this API, an
+    application program must include <m17n-core<EM></EM>.h> and be
+    linked with -lm17n-core.
 
     <li> SHELL API
 
-    It provides modules that utilize the m17n database (code
-    conversion, character property, etc).  They load various kinds of
+    It provides modules for character properties, character set
+    handling, code conversion, etc.  They load various kinds of
     data from the database on demand.  To use this API, an application
-    program must include <m17n<EM></EM>.h> and be linked by
+    program must include <m17n<EM></EM>.h> and be linked with
     -lm17n-core -lm17n.
 
     When you use this API, CORE API is also available.
 
+    <li> FLT API
+
+    It provides modules for text shaping using @ref mdbFLT.  To use
+    this API, an application program must include <m17n<EM></EM>.h>
+    and be linked with -lm17n-core -lm17n-flt.
+
+    When you use this API, CORE API is also available.
+
     <li> GUI API
 
     It provides GUI modules such as drawing and inputting M-texts on a
-    graphic device.  The API itself is independent on a graphic device
-    but most functions require an argument MFrame which is created for
-    a specific type of graphic device.  Currently, a null device, X
-    Window System, and an image date (gdImagePtr) of GD library are
-    supported as a graphic device.
+    graphic device.  This API itself is independent of graphic
+    devices, but most functions require an argument MFrame that is
+    created for a specific type of graphic devices.  The currently
+    supported graphic devices are null device, the X Window System,
+    and image data (gdImagePtr) of the GD library.
 
-    On a frame of the null device, you can't draw text nor use an
-    input method (but, for instance, the function mdraw_glyph_list ()
-    is available).
+    On a frame of a null device, you cannot draw text nor use input
+    methods.  However, functions like mdraw_glyph_list (), etc. are
+    available.
 
     On a frame of the X Window System, you can use the whole GUI API.
 
-    On a frame of GD library, you can use all drawing API but can't
-    use input method.
+    On a frame of the GD library, you can use all drawing API but
+    cannot use input methods.
 
-    To use this device, an application program must include
-    <m17n-gui<EM></EM>.h> and be linked by -lm17n-core -lm17n
+    To use this API, an application program must include
+    <m17n-gui<EM></EM>.h> and be linked with -lm17n-core -lm17n
     -lm17n-gui.
 
-    When you use this API, CORE and SHELL API are also available.
+    When you use this API, CORE, SHELL, and FLT APIs are also
+    available.
 
     <li> MISC API
 
     It provides miscellaneous functions to support error handling and
-    debugging.  This API cannot be used by itself, but with one or
-    more APIs listed above.  To use the API, an application program
-    must include <m17n-misc<EM></EM>.h> in addition to one of a header
-    file described above.
+    debugging.  This API cannot be used standalone; it must be used
+    with one or more APIs listed above.  To use this API, an
+    application program must include <m17n-misc<EM></EM>.h> in
+    addition to one of the header files described above.
 
     </ol>
 
     See also the section @ref m17n-config "m17n-config(1)".
 
-    <em>ENVIRONMENT VARIABLE</em>
+    <em>ENVIRONMENT VARIABLES</em>
 
-    The m17n library pays attention to these environment variables.
+    The m17n library pays attention to the following environment
+    variables.
 
     <ul>
     <li> @c M17NDIR
 
-    Name of a directory that contains data of the m17n database.  See
-    @ref m17nDatabase for more details.
+    The name of the directory that contains data of the m17n database.
+    See @ref m17nDatabase for details.
 
-    <li> @c MDEBUG_XXXX
+    <li> @c MDEBUG_XXX
 
-    Environment variables whose name start by "MDEBUG_" controls
-    printing of debug information.  See @ref m17nDebug for more
-    details.
+    Environment variables whose names start with "MDEBUG_" control
+    debug information output.  See @ref m17nDebug for details.
 
     </ul>
 
     <em>API NAMING CONVENTION</em>
 
-    The library exports functions, variables, macros, and types.  All
-    of them start by the letter 'm' or 'M' followed by an object name
-    (e.g. "symbol" and "plist", but "mtext" object is given the name
-    "text" to avoid double 'm' at the head) or a module name
-    (e.g. draw, input).
-    
+    The m17n library exports functions, variables, macros, and types.
+    All of them start with the letter 'm' or 'M', and are followed by
+    an object name (e.g. "symbol", "plist") or a module name
+    (e.g. draw, input).  Note that the name of M-text objects start
+    with "mtext" and not with "mmtext".
+
     <ul>
 
     <li> functions -- mobject () or mobject_xxx ()
 
-    They start with 'm' followed by lower case object name.  For
-    example, msymbol (), mtext_ref_char (), mdraw_text ().
+    They start with 'm' and are followed by an object name in lower
+    case.  Words are separated by '_'.  For example, msymbol (),
+    mtext_ref_char (), mdraw_text ().
 
     <li> non-symbol variables -- mobject, or mobject_xxx
     
@@ -120,18 +130,20 @@
 
     <li> symbol variables -- Mname
 
-    Variables of type MSymbol start with 'M' followed by their names
-    (e.g. Mlanguage (name is "language"), Miso_2022 (name is
-    "iso-2022").
+    Variables of the type MSymbol start with 'M' and are followed by
+    their names.  Words are separated by '_'.  For example, Mlanguage
+    (the name is "language"), Miso_2022 (the name is "iso-2022").
 
     <li> macros -- MOBJECT_XXX
 
-    They start by 'M' followed by upper case object names.
+    They start with 'M' and are followed by an object name in upper
+    case.  Words are separated by '_'.
 
     <li> types -- MObject or MObjectXxx
 
-    They start by 'M' followed by capitalized object names (e.g.
-    MConverter, MInputDriver).
+    They start with 'M' and are followed by capitalized object names.
+    Words are concatenated directly and no '_' are used.  For example,
+    MConverter, MInputDriver.
 
     </ul>
 
@@ -148,44 +160,62 @@
     <ol>
     <li> ¥³¥¢ API
 
-    M-text ¤ò°·¤¦¤¿¤á¤Î´ðËÜŪ¤Ê¥â¥¸¥å¡¼¥ë¤òÄ󶡤¹¤ë¡£¤³¤ÎʬÎà¤Î API ¤Ï
-    m17n ¥Ç¡¼¥¿¥Ù¡¼¥¹¤òɬÍפȤ·¤Ê¤¤¡£ÍøÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¥×¥í¥°¥é¥à¤Ï
-    <m17n-core<EM></EM>.h> ¤ò include ¤·¡¢ -lm17n-core ¤Ç¥ê¥ó¥¯¤µ¤ì¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
+    M-text ¤ò°·¤¦¤¿¤á¤Î´ðËÜŪ¤Ê¥â¥¸¥å¡¼¥ë¤òÄ󶡤¹¤ë¡£
+    ¤³¤Î API ¤òÍøÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¥×¥í¥°¥é¥à¤Ï
+    <m17n-core<EM></EM>.h> ¤ò include ¤·¡¢ -lm17n-core
+    ¤Ç¥ê¥ó¥¯¤µ¤ì¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
 
     <li> ¥·¥§¥ë API
 
-    m17n ¥Ç¡¼¥¿¥Ù¡¼¥¹¤òÍøÍѤ¹¤ë¥â¥¸¥å¡¼¥ë¡Ê¥³¡¼¥ÉÊÑ´¹¡¢Ê¸»ú¥×¥í¥Ñ¥Æ¥£Åù¡Ë
-    ¤òÄ󶡤¹¤ë¡£¥â¥¸¥å¡¼¥ë¤Ï¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤éɬÍפ˱þ¤¸¤Æ¿Íͤʥǡ¼¥¿¤ò¥í¡¼¥É¤¹¤ë¡£
-    ÍøÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¥×¥í¥°¥é¥à¤Ï <m17n<EM></EM>.h> ¤ò include
-    ¤·¡¢ -lm17n-core -lm17n ¤Ç¥ê¥ó¥¯¤µ¤ì¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
+    ʸ»ú¥×¥í¥Ñ¥Æ¥£¡¢Ê¸»ú½¸¹çÁàºî¡¢¥³¡¼¥ÉÊÑ´¹Åù¤Î¤¿¤á¤Î¥â¥¸¥å¡¼¥ë¤òÄ󶡤¹¤ë¡£
+    ¤³¤ì¤é¤Î¥â¥¸¥å¡¼¥ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤éɬÍפ˱þ¤¸¤Æ¿Íͤʥǡ¼¥¿¤ò¥í¡¼¥É¤¹¤ë¡£
+    ¤³¤Î API ¤òÍøÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¥×¥í¥°¥é¥à¤Ï
+    <m17n<EM></EM>.h> ¤ò include ¤·¡¢ -lm17n-core -lm17n
+    ¤Ç¥ê¥ó¥¯¤µ¤ì¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
+
+    ¤³¤Î API ¤ò»ÈÍѤ¹¤ì¤Ð¡¢¥³¥¢ API ¤â¼«Æ°Åª¤Ë»ÈÍѲÄǽ¤È¤Ê¤ë¡£
+
+    <li> FLT API
 
-    ¤³¤Î API ¤ò»ÈÍѤ¹¤ëºÝ¤Ë¤Ï¥³¥¢ API ¤â»ÈÍѤǤ­¤ë¡£
+    ʸ»úÎóɽ¼¨¤Ë @ref mdbFLT ¤òÍѤ¤¤ë¥â¥¸¥å¡¼¥ë¤òÄ󶡤¹¤ë¡£¤³¤Î API
+    ¤òÍøÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¥×¥í¥°¥é¥à¤Ï <m17n<EM></EM>.h> 
+    ¤ò include ¤·¡¢ -lm17n-core -lm17n-flt ¤Ç¥ê¥ó¥¯¤µ¤ì¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
+
+    ¤³¤Î API ¤ò»ÈÍѤ¹¤ì¤Ð¡¢¥³¥¢ API ¤â¼«Æ°Åª¤Ë»ÈÍѲÄǽ¤È¤Ê¤ë¡£
 
     <li> GUI API
 
-    M-text ¤ò¥°¥é¥Õ¥£¥Ã¥¯¥Ç¥Ð¥¤¥¹¾å¤Çɽ¼¨¤·¤¿¤êÆþÎϤ·¤¿¤ê¤¹¤ë¤È¤¤¤Ã¤¿¡¢¥°¥é¥Õ¥£¥Ã¥¯¥æ¡¼¥¶¥¤¥ó¥¿¥Õ¥§¡¼¥¹¥â¥¸¥å¡¼¥ë¤òÄ󶡤¹¤ë¡£
-    API ¼«ÂΤϥ°¥é¥Õ¥£¥Ã¥¯¥Ç¥Ð¥¤¥¹¤È¤ÏÆÈΩ¤Ç¤¢¤ë¤¬¡¢Â¿¤¯¤Î´Ø¿ô¤ÏÆÃÄê¤Î¥°¥é¥Õ¥£¥Ã¥¯¥Ç¥Ð¥¤¥¹¾å¤ËºîÀ®¤µ¤ì¤¿ 
-    MFrame ¤ò°ú¿ô¤Ë¼è¤ë¡£¸½»þÅÀ¤Ç¤Ï¡¢¥Ì¥ë¥Ç¥Ð¥¤¥¹¡¢X ¥¦¥£¥ó¥É¥¦¥·¥¹¥Æ¥à¡¢
-    GD ¥é¥¤¥Ö¥é¥ê¤Î¥¤¥á¡¼¥¸¡ÊgdImagePtr¡Ë¡¢¤¬¥°¥é¥Õ¥£¥Ã¥¯¥Ç¥Ð¥¤¥¹¤È¤·¤Æ¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¡£
+    ¥°¥é¥Õ¥£¥Ã¥¯¥Ç¥Ð¥¤¥¹¾å¤Ç M-text ¤òɽ¼¨¤·¤¿¤êÆþÎϤ·¤¿¤ê¤¹¤ë¤¿¤á¤Î
+    GUI ¥â¥¸¥å¡¼¥ë¤òÄ󶡤¹¤ë¡£¤³¤Î API
+    ¼«ÂΤϥ°¥é¥Õ¥£¥Ã¥¯¥Ç¥Ð¥¤¥¹¤È¤ÏÆÈΩ¤Ç¤¢¤ë¤¬¡¢
+    ¿¤¯¤Î´Ø¿ô¤ÏÆÃÄê¤Î¥°¥é¥Õ¥£¥Ã¥¯¥Ç¥Ð¥¤¥¹ÍѤ˺îÀ®¤µ¤ì¤¿ 
+    MFrame ¤ò°ú¿ô¤Ë¼è¤ë¡£
+    ¸½»þÅÀ¤Ç¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¥°¥é¥Õ¥£¥Ã¥¯¥Ç¥Ð¥¤¥¹¤Ï¡¢¥Ì¥ë¥Ç¥Ð¥¤¥¹¡¢X
+    ¥¦¥£¥ó¥É¥¦¥·¥¹¥Æ¥à¡¢¤ª¤è¤Ó GD ¥é¥¤¥Ö¥é¥ê¤Î¥¤¥á¡¼¥¸¥Ç¡¼¥¿
+    (gdImagePtr) ¤Ç¤¢¤ë¡£
 
-    ¥Ì¥ë¥Ç¥Ð¥¤¥¹¾å¤Ç¤Ïɽ¼¨¤âÆþÎϤâ¤Ç¤­¤Ê¤¤¡Ê¤¿¤À¤·¤¿¤È¤¨¤Ð
-    mdraw_glyph_list () ¤Ê¤É¤Î´Ø¿ô¤Ï»ÈÍѲÄǽ¡Ë¡£
+    ¥Ì¥ë¥Ç¥Ð¥¤¥¹¤Î¥Õ¥ì¡¼¥à¾å¤Ç¤Ïɽ¼¨¤âÆþÎϤâ¤Ç¤­¤Ê¤¤¡£¤¿¤À¤·
+    mdraw_glyph_list () ¤Ê¤É¤Î´Ø¿ô¤Ï»ÈÍѲÄǽ¤Ç¤¢¤ë¡£
 
-    X ¥¦¥£¥ó¥É¥¦¥·¥¹¥Æ¥à¾å¤Ç¤Ï¤¹¤Ù¤Æ¤Î GUI API ¤¬»ÈÍѤǤ­¤ë¡£
+    X ¥¦¥£¥ó¥É¥¦¥·¥¹¥Æ¥à¤Î¥Õ¥ì¡¼¥à¾å¤Ç¤Ï¤¹¤Ù¤Æ¤Î GUI API ¤¬»ÈÍѤǤ­¤ë¡£
 
-    GD ¥é¥¤¥Ö¥é¥ê¤Î¥¤¥á¡¼¥¸¾å¤Ç¤Ï¡¢ÉÁ²èÍѤΠAPI ¤Ï¤¹¤Ù¤Æ»ÈÍѤǤ­¤ë¤¬ÆþÎϤϤǤ­¤Ê¤¤¡£
+    GD ¥é¥¤¥Ö¥é¥ê¤Î¥Õ¥ì¡¼¥à¾å¤Ç¤Ï¡¢ÉÁ²èÍѤΠAPI
+    ¤Ï¤¹¤Ù¤Æ»ÈÍѤǤ­¤ë¤¬¡¢ÆþÎϤϤǤ­¤Ê¤¤¡£
 
-    ¤³¤Î¥Ç¥Ð¥¤¥¹¤ò»ÈÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¥×¥í¥°¥é¥à¤Ï
+    ¤³¤Î API ¤ò»ÈÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¥×¥í¥°¥é¥à¤Ï
     <m17n-gui<EM></EM>.h> ¤ò include ¤·¡¢-lm17n-core -lm17n -lm17n-gui
     ¤Ç¥ê¥ó¥¯¤µ¤ì¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
 
-    ¤³¤Î API ¤ò»ÈÍѤ¹¤ëºÝ¤Ë¤Ï¡¢¥³¥¢ API ¤È¥·¥§¥ë API ¤â»ÈÍѤǤ­¤ë¡£
+    ¤³¤Î API ¤ò»ÈÍѤ¹¤ì¤Ð¡¢¥³¥¢ API¡¢¥·¥§¥ë API¡¢¤ª¤è¤Ó FLT API
+    ¤â¼«Æ°Åª¤Ë»ÈÍѲÄǽ¤È¤Ê¤ë¡£
 
     <li> ¤½¤Î¾¤Î API
 
-    ¥¨¥é¡¼½èÍý¡¢¥Ç¥Ð¥Ã¥°ÍѤΤ½¤Î¾¤Î´Ø¿ô¤òÄ󶡤¹¤ë¡£¤³¤Î API 
-    ¤Ï¤½¤ì¤À¤±¤Ç¤Ï»ÈÍѤǤ­¤º¡¢¾åµ­¤Î¾¤Î¤â¤Î¤È¶¦¤Ë»È¤¦¡£ÍøÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¾åµ­¤Î¤¤¤º¤ì¤«¤Î
-    include ¥Õ¥¡¥¤¥ë¤Ë²Ã¤¨¤Æ¡¢ <m17n-misc<EM></EM>.h> ¤ò include ¤·¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
+    ¥¨¥é¡¼½èÍý¡¢¥Ç¥Ð¥Ã¥°ÍѤΤ½¤Î¾¤Î´Ø¿ô¤òÄ󶡤¹¤ë¡£¤³¤Î API
+    ¤Ï¤½¤ì¤À¤±¤Ç¤Ï»ÈÍѤǤ­¤º¡¢¾åµ­¤Î¾¤Î API
+    ¤È¶¦¤Ë»È¤¦¡£ÍøÍѤ¹¤ë¤¿¤á¤Ë¤Ï¡¢¾åµ­¤Î¤¤¤º¤ì¤«¤Îinclude
+    ¥Õ¥¡¥¤¥ë¤Ë²Ã¤¨¤Æ¡¢ <m17n-misc<EM></EM>.h> ¤òinclude
+    ¤·¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
 
     </ol>
 
@@ -193,51 +223,55 @@
 
     @em ´Ä¶­ÊÑ¿ô
 
-    m17n ¥é¥¤¥Ö¥é¥ê¤Ï¼¡¤Î´Ä¶­ÊÑ¿ô¤ò¹Íθ¤¹¤ë¡£
+    m17n ¥é¥¤¥Ö¥é¥ê¤Ï°Ê²¼¤Î´Ä¶­ÊÑ¿ô¤ò»²¾È¤¹¤ë¡£
 
     <ul>
     <li> @c M17NDIR
 
-    m17n ¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¡¼¥¿¤ò´Þ¤à¥Ç¥£¥ì¥¯¥È¥ê¤Î̾Á°¡£¾ÜºÙ¤Ï @ref
+    m17n ¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¡¼¥¿¤ò³ÊǼ¤·¤¿¥Ç¥£¥ì¥¯¥È¥ê¤Î̾Á°¡£¾ÜºÙ¤Ï @ref
     m17nDatabase »²¾È¡£
 
-    <li> @c MDEBUG_XXXX
+    <li> @c MDEBUG_XXX
 
-    "MDEBUG_" ¤Ç»Ï¤Þ¤ë̾Á°¤ò»ý¤Ä´Ä¶­ÊÑ¿ô¤Ï¥Ç¥Ð¥Ã¥°¾ðÊó¤òÀ©¸æ¤¹¤ë¡£¾ÜºÙ¤Ï @ref m17nDebug »²¾È¡£
+    "MDEBUG_" ¤Ç»Ï¤Þ¤ë̾Á°¤ò»ý¤Ä´Ä¶­ÊÑ¿ô¤Ï¥Ç¥Ð¥Ã¥°¾ðÊó¤Î½ÐÎϤòÀ©¸æ¤¹¤ë¡£
+    ¾ÜºÙ¤Ï @ref m17nDebug »²¾È¡£
 
     </ul>
 
-    @em API @em ¤Î̿̾µ¬Â§ ¥³¥Þ¥ó¥É
+    @em API @em ¤Î̿̾µ¬Â§
 
-    ¥é¥¤¥Ö¥é¥ê¤Ï¡¢´Ø¿ô¡¢ÊÑ¿ô¡¢¥Þ¥¯¥í¡¢·¿¤ò export ¤¹¤ë¡£¤½¤ì¤é¤Ï'm' 
-    ¤Þ¤¿¤Ï 'M' ¤Î¤¢¤È¤Ë¥ª¥Ö¥¸¥§¥¯¥È̾("symbol" ¤ä "plist" ¤Ê¤É¡£¤¿¤À¤· 
-    "mtext" ¥ª¥Ö¥¸¥§¥¯¥È¤Ï¤Ï¤¸¤á¤Î 'm' ¤Î½ÅÊ£¤òÈò¤±¤ë¤¿¤á "text" 
-    ¤òÍѤ¤¤ë¡£) ¤Þ¤¿¤Ï¥â¥¸¥å¡¼¥ë̾(draw, input ¤Ê¤É) ¤ò³¤±¤¿¤â¤Î¤Ç¤¢¤ë¡£
+    m17n ¥é¥¤¥Ö¥é¥ê¤Ï¡¢´Ø¿ô¡¢ÊÑ¿ô¡¢¥Þ¥¯¥í¡¢·¿¤ò export ¤¹¤ë¡£¤½¤ì¤é¤Ï 'm' 
+    ¤Þ¤¿¤Ï 'M' ¤Î¤¢¤È¤Ë¥ª¥Ö¥¸¥§¥¯¥È̾ ("symbol"¡¢"plist" ¤Ê¤É)
+    ¤Þ¤¿¤Ï¥â¥¸¥å¡¼¥ë̾ (draw, input ¤Ê¤É) ¤ò³¤±¤¿¤â¤Î¤Ç¤¢¤ë¡£
+    M-text ¥ª¥Ö¥¸¥§¥¯¥È¤Î̾Á°¤Ï "mmtext" ¤Ç¤Ï¤Ê¤¯¤Æ "mtext"
+    ¤Ç»Ï¤Þ¤ë¤³¤È¤ËÃí°Õ¡£
     
     <ul>
 
     <li> ´Ø¿ô -- mobject () ¤Þ¤¿¤Ï mobject_xxx ()
 
-    'm' ¤Î¤¢¤È¤Ë¾®Ê¸»ú¤Ç¥ª¥Ö¥¸¥§¥¯¥È̾¤¬Â³¤¯¡£¤¿¤È¤¨¤Ð¡¢msymbol (),
+    'm' ¤Î¤¢¤È¤Ë¾®Ê¸»ú¤Ç¥ª¥Ö¥¸¥§¥¯¥È̾¤¬Â³¤¯¡£Ã±¸ì´Ö¤Ï '_'
+    ¤Ç¶èÀÚ¤é¤ì¤ë¡£¤¿¤È¤¨¤Ð¡¢msymbol (),
      mtext_ref_char (), mdraw_text () ¤Ê¤É¡£
 
     <li> ¥·¥ó¥Ü¥ë¤Ç¤Ê¤¤ÊÑ¿ô -- mobject,  ¤Þ¤¿¤Ï mobject_xxx
     
-    ´Ø¿ô¤ÈƱ¤¸Ì¿Ì¾µ¬Â§¤Ë½¾¤¦¡£(¤¿¤È¤¨¤Ð  mface_large)
+    ´Ø¿ô¤ÈƱ¤¸Ì¿Ì¾µ¬Â§¤Ë½¾¤¦¡£¤¿¤È¤¨¤Ð  mface_large ¤Ê¤É¡£
 
     <li> ¥·¥ó¥Ü¥ëÊÑ¿ô -- Mname
 
-    MSymbol ·¿ÊÑ¿ô¤Ï¡¢'M' ¤Î¸å¤Ë̾Á°¤¬Â³¤¯¡£¤¿¤È¤¨¤Ð Mlanguage (̾Á°¤Ï 
-    "language"), Miso_2022 (̾Á°¤Ï"iso-2022")¤Ê¤É¡£
+    MSymbol ·¿ÊÑ¿ô¤Ï¡¢'M' ¤Î¸å¤Ë̾Á°¤¬Â³¤¯¡£Ã±¸ì´Ö¤Ï '_'
+    ¤Ç¶èÀÚ¤é¤ì¤ë¡£¤¿¤È¤¨¤Ð Mlanguage (̾Á°¤Ï "language"), Miso_2022
+    (̾Á°¤Ï"iso-2022") ¤Ê¤É¡£
 
     <li> ¥Þ¥¯¥í -- MOBJECT_XXX
 
-    'M' ¤Î¸å¤ËÂçʸ»ú¤Ç¥ª¥Ö¥¸¥§¥¯¥È̾¤¬Â³¤¯¡£
+    'M' ¤Î¸å¤ËÂçʸ»ú¤Ç¥ª¥Ö¥¸¥§¥¯¥È̾¤¬Â³¤¯¡£Ã±¸ì´Ö¤Ï '_' ¤Ç¶èÀÚ¤é¤ì¤ë¡£
 
     <li> ¥¿¥¤¥× -- MObject ¤Þ¤¿¤Ï MObjectXxx
 
-    'M' ¤Î¸å¤ËÂçʸ»ú¤Ç»Ï¤á¤Æ¥ª¥Ö¥¸¥§¥¯¥È̾¤ò¤¬Â³¤¯¡£ (¤¿¤È¤¨¤Ð
-    MConverter, MInputDriver)
+    'M' ¤Î¸å¤ËÂçʸ»ú¤Ç»Ï¤Þ¤ë¥ª¥Ö¥¸¥§¥¯¥È̾¤¬Â³¤¯¡£Ã±¸ì¤ÏϢ³¤·¤Æ½ñ¤«¤ì¡¢
+    '_' ¤ÏÍѤ¤¤é¤ì¤Ê¤¤¡£¤¿¤È¤¨¤Ð MConverter, MInputDriver ¤Ê¤É¡£
 
     </ul>
     
@@ -250,7 +284,7 @@
     of the m17n library.  */
 /***ja
     ¥Þ¥¯¥í #M17NLIB_MAJOR_VERSION ¤Ï m17n 
-    ¥é¥¤¥Ö¥é¥ê¤Î¥á¥¸¥ã¡¼¥Ð¡¼¥¸¥ç¥óÈÖ¹æ¤òÍ¿¤¨¤ë¡£  */
+    ¥é¥¤¥Ö¥é¥ê¤Î¥á¥¸¥ã¡¼¥Ð¡¼¥¸¥ç¥óÈÖ¹æ¤òÍ¿¤¨¤ë.  */
 
 #define M17NLIB_MAJOR_VERSION
 
@@ -262,7 +296,7 @@
 
 /***ja
     ¥Þ¥¯¥í #M17NLIB_MINOR_VERSION ¤Ï m17n 
-    ¥é¥¤¥Ö¥é¥ê¤Î¥Þ¥¤¥Ê¡¼¥Ð¡¼¥¸¥ç¥óÈÖ¹æ¤òÍ¿¤¨¤ë¡£  */
+    ¥é¥¤¥Ö¥é¥ê¤Î¥Þ¥¤¥Ê¡¼¥Ð¡¼¥¸¥ç¥óÈÖ¹æ¤òÍ¿¤¨¤ë.  */
 
 #define M17NLIB_MINOR_VERSION
 
@@ -274,7 +308,7 @@
 
 /***ja
     ¥Þ¥¯¥í #M17NLIB_PATCH_LEVEL ¤Ï m17n 
-    ¥é¥¤¥Ö¥é¥ê¤Î¥Ñ¥Ã¥Á¥ì¥Ù¥ëÈÖ¹æ¤òÍ¿¤¨¤ë¡£  */
+    ¥é¥¤¥Ö¥é¥ê¤Î¥Ñ¥Ã¥Á¥ì¥Ù¥ëÈÖ¹æ¤òÍ¿¤¨¤ë.  */
 
 #define M17NLIB_PATCH_LEVEL
 
@@ -286,7 +320,7 @@
 
 /***ja
     ¥Þ¥¯¥í #M17NLIB_VERSION_NAME ¤Ï m17n 
-    ¥é¥¤¥Ö¥é¥ê¤Î¥Ð¡¼¥¸¥ç¥ó̾¤òʸ»úÎó¤È¤·¤ÆÍ¿¤¨¤ë¡£  */
+    ¥é¥¤¥Ö¥é¥ê¤Î¥Ð¡¼¥¸¥ç¥ó̾¤òʸ»úÎó¤È¤·¤ÆÍ¿¤¨¤ë.  */
 
 #define M17NLIB_VERSION_NAME
 
@@ -366,6 +400,7 @@
 #include <config.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <unistd.h>
@@ -399,6 +434,27 @@ report_object_array ()
 
       fprintf (stderr, "%16s %7d %7d %7d\n", array->name,
 	       array->used, array->used - array->count, array->count);
+      if (array->count > 0)
+	{
+	  int i;
+	  for (i = 0; i < array->used && ! array->objects[i]; i++);
+
+	  if (strcmp (array->name, "M-text") == 0)
+	    {
+	      MText *mt = (MText *) array->objects[i];
+
+	      if (mt->format <= MTEXT_FORMAT_UTF_8)
+		fprintf (stderr, "\t\"%s\"\n", (char *) mt->data);
+	    }
+	  else if (strcmp (array->name, "Plist") == 0)
+	    {
+	      MPlist *plist = (MPlist *) array->objects[i];
+
+	      mdebug_dump_plist (plist, 8);
+	      fprintf (stderr, "\n");
+	    }
+	}
+
       if (array->used > 0)
 	{
 	  free (array->objects);
@@ -415,11 +471,7 @@ int m17n__core_initialized;
 int m17n__shell_initialized;
 int m17n__gui_initialized;
 
-void *(*mdatabase__finder) (MSymbol tag1, MSymbol tag2,
-			   MSymbol tag3, MSymbol tag4);
-void *(*mdatabase__loader) (void *);
-
-int mdebug__flag;
+int mdebug__flags[MDEBUG_MAX];
 FILE *mdebug__output;
 
 void
@@ -450,19 +502,25 @@ mdebug__print_time ()
   time_stack[time_stack_index - 1] = tv;
 }
 
-#define SET_DEBUG_FLAG(env_name, mask)		\
-  do {						\
-    char *env_value = getenv (env_name);	\
-						\
-    if (env_value)				\
-      {						\
-	if (env_value[0] == '1')		\
-	  mdebug__flag |= (mask);		\
-	else if (env_value[0] == '0')		\
-	  mdebug__flag &= ~(mask);		\
-      }						\
-  } while (0)
+static void
+SET_DEBUG_FLAG (char *env_name, enum MDebugFlag flag)
+{
+  char *env_value = getenv (env_name);
 
+  if (env_value)
+    {
+      int int_value = atoi (env_value);
+
+      if (flag == MDEBUG_ALL)
+	{
+	  int i;
+	  for (i = 0; i < MDEBUG_MAX; i++)
+	    mdebug__flags[i] = int_value;
+	}
+      else
+	mdebug__flags[flag] = int_value;
+    }
+}
 
 void
 mdebug__add_object_array (M17NObjectArray *array, char *name)
@@ -489,11 +547,15 @@ mdebug__unregister_object (M17NObjectArray *array, void *object)
   array->count--;
   if (array->count >= 0)
     {
-      int i = 0;
+      int i;
 
-      while (i < array->used && array->objects[i] != object) i++;
-      if (i < array->used)
-	array->objects[i] = NULL;
+      for (i = array->used - 1; i >= 0 && array->objects[i] != object; i--);
+      if (i >= 0)
+	{
+	  if (i == array->used - 1)
+	    array->used--;
+	  array->objects[i] = NULL;
+	}
       else
 	mdebug_hook ();
     }
@@ -510,7 +572,7 @@ mdebug__unregister_object (M17NObjectArray *array, void *object)
 void
 m17n_init_core (void)
 {
-  int mdebug_mask = MDEBUG_INIT;
+  int mdebug_flag = MDEBUG_INIT;
 
   merror_code = MERROR_NONE;
   if (m17n__core_initialized++)
@@ -518,7 +580,6 @@ m17n_init_core (void)
 
   m17n_memory_full_handler = default_error_handler;
 
-  mdebug__flag = 0;
   SET_DEBUG_FLAG ("MDEBUG_ALL", MDEBUG_ALL);
   SET_DEBUG_FLAG ("MDEBUG_INIT", MDEBUG_INIT);
   SET_DEBUG_FLAG ("MDEBUG_FINI", MDEBUG_FINI);
@@ -526,15 +587,23 @@ m17n_init_core (void)
   SET_DEBUG_FLAG ("MDEBUG_CODING", MDEBUG_CODING);
   SET_DEBUG_FLAG ("MDEBUG_DATABASE", MDEBUG_DATABASE);
   SET_DEBUG_FLAG ("MDEBUG_FONT", MDEBUG_FONT); 
-  SET_DEBUG_FLAG ("MDEBUG_FONT_FLT", MDEBUG_FONT_FLT);
-  SET_DEBUG_FLAG ("MDEBUG_FONT_OTF", MDEBUG_FONT_OTF);
+  SET_DEBUG_FLAG ("MDEBUG_FLT", MDEBUG_FLT);
+  SET_DEBUG_FLAG ("MDEBUG_FONTSET", MDEBUG_FONTSET);
   SET_DEBUG_FLAG ("MDEBUG_INPUT", MDEBUG_INPUT);
+  /* for backward compatibility... */
+  SET_DEBUG_FLAG ("MDEBUG_FONT_FLT", MDEBUG_FLT);
+  SET_DEBUG_FLAG ("MDEBUG_FONT_OTF", MDEBUG_FLT);
   {
     char *env_value = getenv ("MDEBUG_OUTPUT_FILE");
 
     mdebug__output = NULL;
     if (env_value)
-      mdebug__output = fopen (env_value, "a");
+      {
+	if (strcmp (env_value, "stdout"))
+	  mdebug__output = stdout;
+	else
+	  mdebug__output = fopen (env_value, "a");
+      }
     if (! mdebug__output)
       mdebug__output = stderr;
   }
@@ -547,17 +616,27 @@ m17n_init_core (void)
   if  (mplist__init () < 0)
     goto err;
   MDEBUG_PRINT_TIME ("INIT", (stderr, " to initialize plist module."));
+  if (mchar__init () < 0)
+    goto err;
+  MDEBUG_PRINT_TIME ("INIT", (stderr, " to initialize character module."));
   if  (mchartable__init () < 0)
     goto err;
   MDEBUG_PRINT_TIME ("INIT", (stderr, " to initialize chartable module."));
-  if (mtext__init () < 0)
-    goto err;
-  if (mtext__prop_init () < 0)
+  if (mtext__init () < 0 || mtext__prop_init () < 0)
     goto err;
   MDEBUG_PRINT_TIME ("INIT", (stderr, " to initialize mtext module."));
-
-  mdatabase__finder = NULL;
-  mdatabase__loader = NULL;
+  if (mdatabase__init () < 0)
+    goto err;
+  MDEBUG_PRINT_TIME ("INIT", (stderr, " to initialize database module."));
+
+#if ENABLE_NLS
+  bindtextdomain ("m17n-lib", GETTEXTDIR);
+  bindtextdomain ("m17n-db", GETTEXTDIR);
+  bindtextdomain ("m17n-contrib", GETTEXTDIR);
+  bind_textdomain_codeset ("m17n-lib", "UTF-8");
+  bind_textdomain_codeset ("m17n-db", "UTF-8");
+  bind_textdomain_codeset ("m17n-contrib", "UTF-8");
+#endif
 
  err:
   MDEBUG_POP_TIME ();
@@ -568,7 +647,7 @@ m17n_init_core (void)
 void
 m17n_fini_core (void)
 {
-  int mdebug_mask = MDEBUG_FINI;
+  int mdebug_flag = MDEBUG_FINI;
 
   if (m17n__core_initialized == 0
       || --m17n__core_initialized > 0)
@@ -578,18 +657,20 @@ m17n_fini_core (void)
   MDEBUG_PUSH_TIME ();
   mchartable__fini ();
   MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize chartable module."));
-  mtext__prop_fini ();
-  MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize textprop module."));
   mtext__fini ();
   MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize mtext module."));
   msymbol__fini ();
   MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize symbol module."));
   mplist__fini ();
   MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize plist module."));
+  /* We must call this after the aboves because it frees interval
+     pools.  */
+  mtext__prop_fini ();
+  MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize textprop module."));
   MDEBUG_POP_TIME ();
   MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize the core modules."));
   MDEBUG_POP_TIME ();
-  if (mdebug__flag & MDEBUG_FINI)
+  if (mdebug__flags[MDEBUG_FINI])
     report_object_array ();
   msymbol__free_table ();
   if (mdebug__output != stderr)
@@ -879,7 +960,7 @@ m17n_object_unref (void *object)
 /*** @} */
 
 /***en
-    @addtogroup m17nError Error handling
+    @addtogroup m17nError Error Handling
     @brief Error handling of the m17n library.
 
     There are two types of errors that may happen in a function of
@@ -1007,11 +1088,9 @@ void (*m17n_memory_full_handler) (enum MErrorCode err);
     <li> MDEBUG_FONT -- If set to 1, print information about fonts
     being selected and opened.
 
-    <li> MDEBUG_FONT_FLT -- If set to 1, print information about which
-    command of Font Layout Table are being executed.
-
-    <li> MDEBUG_FONT_OTF -- If set to 1, print information about which
-    feature of OpenType Layout Table are being executed.
+    <li> MDEBUG_FLT -- If set to 1, 2, or 3, print information about
+    which command of Font Layout Table are being executed.  The bigger
+    number prints the more detailed information.
 
     <li> MDEBUG_INPUT -- If set to 1, print information about how an
     input method is running.
@@ -1056,15 +1135,15 @@ void (*m17n_memory_full_handler) (enum MErrorCode err);
     <li> MDEBUG_DATABASE -- 1 ¤Ê¤é¤Ð¡¢m17n
     ¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤é¥í¡¼¥É¤µ¤ì¤¿¥Ç¡¼¥¿¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤ò¥×¥ê¥ó¥È¤¹¤ë¡£
 
-    <li> MDEBUG_FONT -- 1 ¤Ê¤é¤Ð¡¢ÁªÂò¤µ¤ì¤Æ¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥©¥ó¥È¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤ò¥×¥ê¥ó¥È¤¹¤ë¡£
-
-    <li> MDEBUG_FONT_FLT -- 1 ¤Ê¤é¤Ð¡¢Font Layout Table 
-    ¤Î¤É¤Î¥³¥Þ¥ó¥É¤¬¼Â¹ÔÃ椫¤Ë¤Ä¤¤¤Æ¤Î¤ò¥×¥ê¥ó¥È¤¹¤ë¡£
+    <li> MDEBUG_FONT -- 1 ¤Ê¤é¤Ð¡¢ÁªÂò¤µ¤ì¤Æ¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥©¥ó¥È¤Ë¤Ä
+    ¤¤¤Æ¤Î¾ðÊó¤ò¥×¥ê¥ó¥È¤¹¤ë¡£
 
-    <li> MDEBUG_FONT_OTF -- 1 ¤Ê¤é¤Ð¡¢OpenType Layout Table 
-    ¤Î¤É¤Î°À­¤¬¼Â¹ÔÃ椫¤Ë¤Ä¤¤¤Æ¤Î¤ò¥×¥ê¥ó¥È¤¹¤ë¡£
+    <li> MDEBUG_FLT -- 1¡¢2¡¢¤â¤·¤¯¤Ï 3 ¤Ê¤é¤Ð¡¢Font Layout Table ¤Î¤É
+    ¤Î¥³¥Þ¥ó¥É¤¬¼Â¹ÔÃ椫¤Ë¤Ä¤¤¤Æ¤Î¤ò¥×¥ê¥ó¥È¤¹¤ë¡£¤è¤êÂ礭¤ÊÃÍÄø¤è¤ê¾Ü
+    ¤·¤¤¾ðÊó¤ò¥×¥ê¥ó¥È¤¹¤ë¡£
 
-    <li> MDEBUG_INPUT -- 1 ¤Ê¤é¤Ð¡¢¼Â¹ÔÃæ¤ÎÆþÎϥ᥽¥Ã¥É¤Î¾õÂÖ¤ËÉÕ¤¤¤Æ¤Î¾ðÊó¤ò¥×¥ê¥ó¥È¤¹¤ë¡£
+    <li> MDEBUG_INPUT -- 1 ¤Ê¤é¤Ð¡¢¼Â¹ÔÃæ¤ÎÆþÎϥ᥽¥Ã¥É¤Î¾õÂÖ¤ËÉÕ¤¤¤Æ¤Î
+    ¾ðÊó¤ò¥×¥ê¥ó¥È¤¹¤ë¡£
 
     <li> MDEBUG_ALL -- 1 ¤Ê¤é¤Ð¡¢¾åµ­¤¹¤Ù¤Æ¤ÎÊÑ¿ô¤ò 1 
     ¤Ë¤·¤¿¤Î¤ÈƱ¤¸¸ú²Ì¤ò»ý¤Ä¡£