updated for version 7.2a
diff --git a/runtime/ftplugin/pdf.vim b/runtime/ftplugin/pdf.vim
new file mode 100644
index 0000000..1ed9911
--- /dev/null
+++ b/runtime/ftplugin/pdf.vim
@@ -0,0 +1,89 @@
+" Vim filetype plugin file
+" Language: PDF
+" Maintainer: Tim Pope <vimNOSPAM@tpope.info>
+" Last Change: 2007 Dec 16
+
+if exists("b:did_ftplugin")
+ finish
+endif
+let b:did_ftplugin = 1
+
+setlocal commentstring=%%s
+setlocal comments=:%
+let b:undo_ftplugin = "setlocal cms< com< | unlet! b:match_words"
+
+if exists("g:loaded_matchit")
+ let b:match_words = '\<\%(\d\+\s\+\d\+\s\+\)obj\>:\<endobj\>,\<stream$:\<endstream\>,\<xref\>:\<trailer\>,<<:>>'
+endif
+
+if exists("g:no_plugin_maps") || exists("g:no_pdf_maps") || v:version < 700
+ finish
+endif
+
+if !exists("b:pdf_tagstack")
+ let b:pdf_tagstack = []
+endif
+
+let b:undo_ftplugin .= " | silent! nunmap <buffer> <C-]> | silent! nunmap <buffer> <C-T>"
+nnoremap <silent><buffer> <C-]> :call <SID>Tag()<CR>
+" Inline, so the error from an empty tag stack will be simple.
+nnoremap <silent><buffer> <C-T> :if len(b:pdf_tagstack) > 0 <Bar> call setpos('.',remove(b:pdf_tagstack, -1)) <Bar> else <Bar> exe "norm! \<Lt>C-T>" <Bar> endif<CR>
+
+function! s:Tag()
+ call add(b:pdf_tagstack,getpos('.'))
+ if getline('.') =~ '^\d\+$' && getline(line('.')-1) == 'startxref'
+ return s:dodigits(getline('.'))
+ elseif getline('.') =~ '/Prev\s\+\d\+\>\%(\s\+\d\)\@!' && expand("<cword>") =~ '^\d\+$'
+ return s:dodigits(expand("<cword>"))
+ elseif getline('.') =~ '^\d\{10\} \d\{5\} '
+ return s:dodigits(matchstr(getline('.'),'^\d\+'))
+ else
+ let line = getline(".")
+ let lastend = 0
+ let pat = '\<\d\+\s\+\d\+\s\+R\>'
+ while lastend >= 0
+ let beg = match(line,'\C'.pat,lastend)
+ let end = matchend(line,'\C'.pat,lastend)
+ if beg < col(".") && end >= col(".")
+ return s:doobject(matchstr(line,'\C'.pat,lastend))
+ endif
+ let lastend = end
+ endwhile
+ return s:notag()
+ endif
+endfunction
+
+function! s:doobject(string)
+ let first = matchstr(a:string,'^\s*\zs\d\+')
+ let second = matchstr(a:string,'^\s*\d\+\s\+\zs\d\+')
+ norm! m'
+ if first != '' && second != ''
+ let oldline = line('.')
+ let oldcol = col('.')
+ 1
+ if !search('^\s*'.first.'\s\+'.second.'\s\+obj\>')
+ exe oldline
+ exe 'norm! '.oldcol.'|'
+ return s:notag()
+ endif
+ endif
+endfunction
+
+function! s:dodigits(digits)
+ let digits = 0 + substitute(a:digits,'^0*','','')
+ norm! m'
+ if digits <= 0
+ norm! 1go
+ else
+ " Go one character before the destination and advance. This method
+ " lands us after a newline rather than before, if that is our target.
+ exe "goto ".(digits)."|norm! 1 "
+ endif
+endfunction
+
+function! s:notag()
+ silent! call remove(b:pdf_tagstack,-1)
+ echohl ErrorMsg
+ echo "E426: tag not found"
+ echohl NONE
+endfunction