pgsql: Duplicate: < * Maintain a map of recently-expired rows < <

Log Message:
-----------
Duplicate:

< * Maintain a map of recently-expired rows
<
<   This allows vacuum to target specific pages for possible free space
<   without requiring a sequential scan.
<
Update entry:

>   One complexity is that index entries still have to be vacuumed, and
>   doing this without an index scan (by using the heap values to find the
>   index entry) might be slow and unreliable, especially for user-defined
>   index functions.

Modified Files:
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    pgsql/doc:
        TODO (r1.1645 -> r1.1646)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1645&r2=1.1646)
    pgsql/doc/src/FAQ:
        TODO.html (r1.152 -> r1.153)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.152&r2=1.153)