pg_dump case folding bug

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POSTGRESQL BUG REPORT TEMPLATE
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Your name : Russell Smith
Your email address : As From address

System Configuration
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Architecture (example: Intel Pentium) : AMD 2000XP

Operating System (example: Linux 2.4.18) : Gentoo Linux 2.4.20-r9

PostgreSQL version (example: PostgreSQL-8.0): PostgreSQL-8.0-beta4

Compiler used (example: gcc 2.95.2) : gcc (GCC) 3.3.3 20040412 (Gentoo Linux 3.3.3-r6, ssp-3.3.2-2, pie-8.7.6)

Please enter a FULL description of your problem:
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pg_dump -i -h '10.0.0.5' -p '5432' -s 'test' -t '"Test"'

pg_dump does not fold case, and quote table and schema names correctly.
the above line will dump the table named "Test"

pg_dump -i -h '10.0.0.5' -p '5432' -s 'test' -t 'Test'
the above will dump the table named Test

I believe the correct output from 1 should be to dump the table named Test.
and correct output from 2 should dump the table named test

Please describe a way to repeat the problem. Please try to provide a
concise reproducible example, if at all possible:
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Reproduction from commands in description.

If you know how this problem might be fixed, list the solution below:
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Attempted patches attached. Most code taken from libpq and modified for pg_dump.