Improve comments about duplicate files.

diff --git a/src/backend/libpq/md5.c b/src/backend/libpq/md5.c
index 0b61f0f59272dcc89b5fa169402d260b74343d94..3c65a8686651733796dc531df72d112417bb4e12 100644 (file)
--- a/src/backend/libpq/md5.c
+++ b/src/backend/libpq/md5.c
@@ -22,7 +22,8 @@
  *     NOTE:
  *
  *     There are two copies of this file, one in backend/libpq and another
- *     in interfaces/odbc.  They should be identical.
+ *     in interfaces/odbc.  They should be identical.  This is done so ODBC
+ *     can be compiled stand-alone.
  */
  
 #ifndef MD5_ODBC

diff --git a/src/interfaces/odbc/md5.c b/src/interfaces/odbc/md5.c
index 0b61f0f59272dcc89b5fa169402d260b74343d94..3c65a8686651733796dc531df72d112417bb4e12 100644 (file)
--- a/src/interfaces/odbc/md5.c
+++ b/src/interfaces/odbc/md5.c
@@ -22,7 +22,8 @@
  *     NOTE:
  *
  *     There are two copies of this file, one in backend/libpq and another
- *     in interfaces/odbc.  They should be identical.
+ *     in interfaces/odbc.  They should be identical.  This is done so ODBC
+ *     can be compiled stand-alone.
  */
  
 #ifndef MD5_ODBC