 bug with row visibility logic in self-inserted
rows (Tom)</P
><P
>Under rare circumstances a row inserted by the current command
could be seen as already valid, when it should not be.  Repairs bug
created in 8.0.4, 7.4.9, and 7.3.11 releases.</P
></LI
><LI
><P
>Fix race condition that could lead to <SPAN
CLASS="QUOTE"
>"file already
exists"</SPAN
> errors during pg_clog and pg_subtrans file creation
(Tom)</P
></LI
><LI
><P
>Fix cases that could lead to crashes if a cache-invalidation
message arrives at jus