Help tracking down error in postgres log

[William Garrison <postgres@xxxxxxxxxxxx>]

I get the following error in the postgres log.  I know what the error 
means and how to fix it, but I don't know how to determine which 
statement is causing it:

2007-03-27 09:29:04 WARNING:  nonstandard use of \\ in a string literal 
at character 72
2007-03-27 09:29:04 HINT:  Use the escape string syntax for backslashes, 
e.g., E'\\'.

Can I get postgres to log the actualy command or stored procthat caused 
the problem?