Handle mixed-case names in reindex script.

Document need for reindex in SGML docs.

contrib/reindex/reindex

 #!/bin/sh
 # -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- #
-# Package : reindexdb                 Version : $Revision: 1.2 $
+# Package : reindexdb                 Version : $Revision: 1.3 $
 # Date    : 05/08/2002                Author  : Shaun Thomas
 # Req     : psql, sh, perl, sed         Type  : Utility
 #
@@ -188,7 +188,7 @@ if [ "$index" ]; then
 
 # Ok, no index.  Is there a specific table to reindex?
 elif [ "$table" ]; then
-  $PSQL $PSQLOPT $ECHOOPT -c "REINDEX TABLE $table" -d $dbname
+  $PSQL $PSQLOPT $ECHOOPT -c "REINDEX TABLE \"$table\"" -d $dbname
 
 # No specific table, no specific index, either we have a specific database,
 # or were told to do all databases.  Do it!
@@ -206,7 +206,7 @@ else
     # database that we may reindex.
     tables=`$PSQL $PSQLOPT -q -t -A -d $db -c "$sql"`
     for tab in $tables; do
-      $PSQL $PSQLOPT $ECHOOPT -c "REINDEX TABLE $tab" -d $db
+      $PSQL $PSQLOPT $ECHOOPT -c "REINDEX TABLE \"$tab\"" -d $db
     done
 
   done