Add comments about additional mule-internal charsets from emacs's

source code(lisp/international/mule-conf.el).  These charsets have not
been supported up to now anyway, so this is just for adding
commentary.  Also add mention that we follow emacs's implementation,
not xemacs's.

diff --git a/src/include/mb/pg_wchar.h b/src/include/mb/pg_wchar.h
index 1bcdfbceb937cf7e0ee60295c187dc266f595c7d..d3d4e76952f6e2f2394cbfd34fb7968a1ab28c7e 100644 (file)
--- a/src/include/mb/pg_wchar.h
+++ b/src/include/mb/pg_wchar.h
@@ -81,6 +81,9 @@ typedef unsigned int pg_wchar;
  * private-charset flag values do not match what XEmacs says they should be,
  * so this isn't really exactly MULE (not that private charsets would be
  * interoperable anyway).
+ *
+ * Note that XEmacs's implementation is different from what emacs does.
+ * We follow emacs's implementaion, rathter than XEmacs's.
  *----------------------------------------------------
  */
 
@@ -108,7 +111,7 @@ typedef unsigned int pg_wchar;
 #define LC_KOI8_R                      0x8b    /* Cyrillic KOI8-R */
 #define LC_ISO8859_5           0x8c    /* ISO8859 Cyrillic */
 #define LC_ISO8859_9           0x8d    /* ISO8859 Latin 5 (not supported yet) */
-/* #define FREE                                0x8e    free (unused) */
+#define LC_ISO8859_15          0x8e    /* ISO8859 Latin 15 (not supported yet) */
 /* #define CONTROL_1           0x8f    control characters (unused) */
 
 /* Is a leading byte for "official" single byte encodings? */
@@ -119,14 +122,13 @@ typedef unsigned int pg_wchar;
  * 0x9a-0x9d are free. 0x9e and 0x9f are reserved.
  */
 #define LC_JISX0208_1978       0x90    /* Japanese Kanji, old JIS (not supported) */
-/* #define FREE                                0x90    free (unused) */
 #define LC_GB2312_80           0x91    /* Chinese */
 #define LC_JISX0208                    0x92    /* Japanese Kanji (JIS X 0208) */
 #define LC_KS5601                      0x93    /* Korean */
 #define LC_JISX0212                    0x94    /* Japanese Kanji (JIS X 0212) */
 #define LC_CNS11643_1          0x95    /* CNS 11643-1992 Plane 1 */
 #define LC_CNS11643_2          0x96    /* CNS 11643-1992 Plane 2 */
-/* #define FREE                                0x97    free (unused) */
+#define LC_JISX0213-1          0x97    /* Japanese Kanji (JIS X 0213 Plane 1) (not supported) */
 #define LC_BIG5_1                      0x98    /* Plane 1 Chinese traditional (not supported) */
 #define LC_BIG5_2                      0x99    /* Plane 1 Chinese traditional (not supported) */
 
@@ -184,6 +186,12 @@ typedef unsigned int pg_wchar;
                                                                         * (not supported) */
 #define LC_TIBETAN_1_COLUMN 0xf1       /* Tibetan 1-column width glyphs
                                                                         * (not supported) */
+#define LC_UNICODE_SUBSET_2    0xf2    /* Unicode characters of the range U+2500..U+33FF.
+                                                                        * (not supported) */  
+#define LC_UNICODE_SUBSET_3    0xf3    /* Unicode characters of the range U+E000..U+FFFF.
+                                                                        * (not supported) */  
+#define LC_UNICODE_SUBSET      0xf4    /* Unicode characters of the range U+0100..U+24FF.
+                                                                        * (not supported) */  
 #define LC_ETHIOPIC                    0xf5    /* Ethiopic characters (not supported) */
 #define LC_CNS11643_3          0xf6    /* CNS 11643-1992 Plane 3 */
 #define LC_CNS11643_4          0xf7    /* CNS 11643-1992 Plane 4 */