pgindent run prior to branching v12.

pgperltidy and reformat-dat-files too, though the latter didn't
find anything to change.

contrib/postgres_fdw/postgres_fdw.h

@@ -64,6 +64,7 @@ typedef struct PgFdwRelationInfo
 	int			width;
 	Cost		startup_cost;
 	Cost		total_cost;
+
 	/*
 	 * Estimated number of rows fetched from the foreign server, and costs
 	 * excluding costs for transferring those rows from the foreign server.

src/backend/commands/indexcmds.c

@@ -1085,9 +1085,9 @@ DefineIndex(Oid relationId,
 				childrel = table_open(childRelid, lockmode);
 
 				/*
-				 * Don't try to create indexes on foreign tables, though.
+				 * Don't try to create indexes on foreign tables, though. Skip
-				 * Skip those if a regular index, or fail if trying to create
+				 * those if a regular index, or fail if trying to create a
-				 * a constraint index.
+				 * constraint index.
 				 */
 				if (childrel->rd_rel->relkind == RELKIND_FOREIGN_TABLE)
 				{

src/backend/commands/tablecmds.c

@@ -15682,6 +15682,7 @@ ATExecAttachPartition(List **wqueue, Relation rel, PartitionCmd *cmd)
 		defaultrel = table_open(defaultPartOid, NoLock);
 		defPartConstraint =
 			get_proposed_default_constraint(partBoundConstraint);
+
 		/*
 		 * Map the Vars in the constraint expression from rel's attnos to
 		 * defaultrel's.

src/backend/commands/tablespace.c

@@ -1211,8 +1211,8 @@ check_temp_tablespaces(char **newval, void **extra, GucSource source)
 	/*
 	 * If we aren't inside a transaction, or connected to a database, we
 	 * cannot do the catalog accesses necessary to verify the name.  Must
-	 * accept the value on faith.
+	 * accept the value on faith. Fortunately, there's then also no need to
-	 * Fortunately, there's then also no need to pass the data to fd.c.
+	 * pass the data to fd.c.
 	 */
 	if (IsTransactionState() && MyDatabaseId != InvalidOid)
 	{

src/backend/executor/nodeIndexonlyscan.c

@@ -528,9 +528,8 @@ ExecInitIndexOnlyScan(IndexOnlyScan *node, EState *estate, int eflags)
 						  &TTSOpsVirtual);
 
 	/*
-	 * We need another slot, in a format that's suitable for the table AM,
+	 * We need another slot, in a format that's suitable for the table AM, for
-	 * for when we need to fetch a tuple from the table for rechecking
+	 * when we need to fetch a tuple from the table for rechecking visibility.
-	 * visibility.
 	 */
 	indexstate->ioss_TableSlot =
 		ExecAllocTableSlot(&estate->es_tupleTable,

src/backend/executor/nodeModifyTable.c

@@ -2317,8 +2317,8 @@ ExecInitModifyTable(ModifyTable *node, EState *estate, int eflags)
 	 * indexes for insertion of new index entries.  Note we *must* set
 	 * estate->es_result_relation_info correctly while we initialize each
 	 * sub-plan; external modules such as FDWs may depend on that (see
-	 * contrib/postgres_fdw/postgres_fdw.c: postgresBeginDirectModify()
+	 * contrib/postgres_fdw/postgres_fdw.c: postgresBeginDirectModify() as one
-	 * as one example).
+	 * example).
 	 */
 	saved_resultRelInfo = estate->es_result_relation_info;
 

src/backend/partitioning/partbounds.c

@@ -1237,6 +1237,7 @@ check_default_partition_contents(Relation parent, Relation default_rel,
 		: get_qual_for_range(parent, new_spec, false);
 	def_part_constraints =
 		get_proposed_default_constraint(new_part_constraints);
+
 	/*
 	 * Map the Vars in the constraint expression from parent's attnos to
 	 * default_rel's.

src/bin/initdb/findtimezone.c

@@ -701,6 +701,7 @@ scan_available_timezones(char *tzdir, char *tzdirsub, struct tztry *tt,
 				/* Consider how to break a tie */
 				int			namepref = (zone_name_pref(tzdirsub) -
 										zone_name_pref(bestzonename));
+
 				if (namepref > 0 ||
 					(namepref == 0 &&
 					 (strlen(tzdirsub) < strlen(bestzonename) ||

src/tools/pgindent/README

@@ -50,6 +50,7 @@ DOING THE INDENT RUN:
 
 5) Reformat the bootstrap catalog data files:
 
+	./configure     # "make" will not work in an unconfigured tree
 	cd src/include/catalog
 	make reformat-dat-files
 	cd ../../..

src/tools/pgindent/typedefs.list

@@ -729,7 +729,6 @@ FormData_pg_sequence_data
 FormData_pg_shdepend
 FormData_pg_statistic
 FormData_pg_statistic_ext
-FormData_pg_statistic_ext_data
 FormData_pg_subscription
 FormData_pg_subscription_rel
 FormData_pg_tablespace
@@ -787,7 +786,6 @@ Form_pg_sequence_data
 Form_pg_shdepend
 Form_pg_statistic
 Form_pg_statistic_ext
-Form_pg_statistic_ext_data
 Form_pg_subscription
 Form_pg_subscription_rel
 Form_pg_tablespace