Identified a problem in pg_dump with serial data type and mixed case

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I've found a problem in pg_dump which results in unreliable dumps under the
following conditions:
* The serial datatype is used
* Either the table or a column name is mixed case

Example:
CREATE TABLE "Test1" ( id serial, dummy int
);

pg_dump thisdb
CREATE SEQUENCE "Test1_id_seq" start 1 increment 1 maxvalue 2147483647
minvalue 1  cache 1 ;
CREATE TABLE "Test1" (       "id" int4 DEFAULT nextval('Test1_id_seq'::text) NOT NULL,       "dummy" int4
);
COPY "Test1" FROM stdin;
\.
CREATE UNIQUE INDEX "Test1_id_key" on "Test1" using btree ( "id" "int4_ops"
);

The error is in the line       "id" int4 DEFAULT nextval('Test1_id_seq'::text) NOT NULL,
which should read       "id" int4 DEFAULT nextval('"Test1_id_seq"'::text) NOT NULL,

I've tried to fix the error in pg_dump.c, but noticed that I would have to go
deeper, because not pg_dump is the problem but somewhere else. So I would be
gratefull if somebody can either help me where to start bug hunting or fix
this bug, which should be really easy (put quotes around the sequence name).

When replying, please send me a CC, my subscription to this list is not yet
processed. Thanks.

Mario Weilguni
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