bug 227958 : big5, gb2312, ksc5601 fonts (X11core) don't show up in font selection menu. Fix this by adding the corresponding internal charset names. r=smontagu, sr=rbs, a=asa

intl/uconv/src/charsetData.properties

@@ -76,8 +76,12 @@ x-windows-949.notForOutgoing            = true
 x-johab.notForOutgoing                  = true
 
 
+// XXX : there are some entries only necessary for Gtk/Xlib builds
+// to map  XLFD registry-encoding pairs to langGroups. they can be
+// removed once bug 215537 is fixed.
 adobe-symbol-encoding.LangGroup    = el
 big5.LangGroup                     = zh-TW
+x-x-big5.LangGroup                 = zh-TW
 big5-hkscs.LangGroup               = zh-HK
 euc-jp.LangGroup                   = ja
 euc-kr.LangGroup                   = ko
@@ -140,6 +144,7 @@ windows-936.LangGroup              = zh-CN
 x-cns-11643-1.LangGroup            = zh-TW
 x-euc-tw.LangGroup                 = zh-TW
 x-gbk.LangGroup                    = zh-CN
+gb_2312-80.LangGroup               = zh-CN
 x-gbk-noascii.LangGroup            = zh-CN
 x-mac-ce.LangGroup                 = x-central-euro
 x-mac-cyrillic.LangGroup           = x-cyrillic
@@ -149,6 +154,7 @@ x-mac-roman.LangGroup              = x-western
 x-mac-turkish.LangGroup            = tr
 x-mac-ukrainian.LangGroup          = x-cyrillic
 x-user-defined.LangGroup           = x-user-def
+ks_c_5601-1987.LangGroup           = ko
 x-x11johab.LangGroup               = ko
 x-johab.LangGroup                  = ko
 x-johab-noascii.LangGroup          = ko