add new selector to access csid, add two new interface to access cross-platform string

include/libi18n.h

@@ -2695,9 +2695,11 @@ INTL_ResourceCharSet(void);
 /* Definition for the charset ID selector. 
  */ 
 typedef enum { 
-    INTL_FileNameCsidSel = 1, 
-    INTL_DefaultTextWidgetCsidSel = 2,
-    INTL_OldBookmarkCsidSel = 3 
+    INTL_FileNameCsidSel = 1, 	        /* The file name */
+    INTL_DefaultTextWidgetCsidSel,	/* The edit control or text widget */
+    INTL_OldBookmarkCsidSel,		/* The bookmark.html file */
+    INTL_XPResourcesCsidSel,		/* The cross-platform resources */
+    INTL_MenuCsidSel 			/* The menu and menu bar */
 } INTL_CharSetID_Selector; 
 
 /* Typedef for charset ID. 

include/xpgetstr.h

@@ -47,6 +47,8 @@ XP_BEGIN_PROTOS
  */
 PUBLIC char *XP_GetString(int id);
 
+PUBLIC char *XP_CopyStringInUTF8(int id);
+PUBLIC char *XP_CopyString(int id);
 /**
  * Get a cross platform HTML string resource by ID.
  *