In tsearch code, remove !(A && B) via restructuring, for clarity

src/backend/tsearch/dict_thesaurus.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/tsearch/dict_thesaurus.c,v 1.4 2007/09/18 15:03:23 teodor Exp $
+ *	  $PostgreSQL: pgsql/src/backend/tsearch/dict_thesaurus.c,v 1.5 2007/11/09 01:32:22 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -418,12 +418,11 @@ compileTheLexeme(DictThesaurus * d)
 									Int32GetDatum(strlen(d->wrds[i].lexeme)),
 													 PointerGetDatum(NULL)));
 
-		if (!(ptr && ptr->lexeme))
-		{
 		if (!ptr)
 			elog(ERROR, "thesaurus word-sample \"%s\" isn't recognized by subdictionary (rule %d)",
 				 d->wrds[i].lexeme, d->wrds[i].entries->idsubst + 1);
-			else
+		else if (!(ptr->lexeme))
+		{
 			elog(NOTICE, "thesaurus word-sample \"%s\" is recognized as stop-word, assign any stop-word (rule %d)",
 				 d->wrds[i].lexeme, d->wrds[i].entries->idsubst + 1);