Re: Dynamic Tracing docs

"Simon Riggs" <simon@2ndquadrant.com> writes:
> Enclose new trace.sgml file as discussed on -docs.

After some thought I decided it's probably best to stick this into
monitoring.sgml for now.  If it gets big enough to deserve its own
chapter we can think about where else to put it.

Committed with some rewording and SGML fixes.

            regards, tom lane