Latex longtable format

I have received several earnest requests over the years for LaTeX
'longtable' output, and I have just implemented it based on a sample
LaTeX longtable output file.

I have called it 'latex-longtable' and implemented all the behaviors of
ordinary latex mode.   One feature is that in latex-longtable mode,
'tableattr' allows control over the column widths --- that seemed to be
very important to the users.  One requested change I made to the
ordinary latex output was to suppress the line under the table title if
border = 0 (default is border = 1).

Patch and sample output attached.  I would like to apply this for PG
9.3.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +