On Sunday, March 20, 2016, Tom Lane <t...@sss.pgh.pa.us> wrote: > > * Allow backslash commands to span lines, probably by adopting the > rule that backslash immediately followed by newline is to be ignored > within a backslash command. This would not be compatible with psql, > though, at least not unless we wanted to change psql too. > > This would be appreciated. The main case I find wanting this is writing out long \copy expressions. Solving really complex ones using temporary tables works but being able to spread it out over multiple lines would be a welcomed addition.