Add URL for introduction to multibyte programming in C.

diff --git a/src/backend/utils/mb/README b/src/backend/utils/mb/README
index 5374cc094e5efa2bb19337fde18069334d0df218..e9129aee183f89068885155ecb831ab8b92ba420 100644 (file)
--- a/src/backend/utils/mb/README
+++ b/src/backend/utils/mb/README
@@ -14,3 +14,7 @@ wstrncmp.c:   strncmp for mb
 win866.c:      a tool to generate KOI8 <--> CP866 conversion table
 iso.c:         a tool to generate KOI8 <--> ISO8859-5 conversion table
 win1251.c:     a tool to generate KOI8 <--> CP1251 conversion table
+
+Introduction
+------------
+       http://www.cprogramming.com/tutorial/unicode.html