[cosmetic change]add missing space before vertical bar to sql-2003-1.bnf

GCer-Hidenori · GCer-Hidenori · commit d6b2ad06d4b1 · 2020-02-29T19:39:12.000+09:00
diff --git a/sql-2003-1.bnf b/sql-2003-1.bnf
@@ -71,9 +71,9 @@ the SQL object identifier claims to provide the package.
 
 <high> ::= 2 | High <left paren> 2 <right paren>
 
-<1999> ::= 3| edition1999 <left paren> 3 <right paren>
+<1999> ::= 3 | edition1999 <left paren> 3 <right paren>
 
-<2003> ::= 4| edition2003 <left paren> 4 <right paren>
+<2003> ::= 4 | edition2003 <left paren> 4 <right paren>
 
 <bindings> ::= <module> <embedded> <direct> <invoked routine languages>
 
