updated for version 7.1a
diff --git a/runtime/indent/cobol.vim b/runtime/indent/cobol.vim
new file mode 100644
index 0000000..9ed8a47
--- /dev/null
+++ b/runtime/indent/cobol.vim
@@ -0,0 +1,216 @@
+" Vim indent file
+" Language: cobol
+" Author: Tim Pope <vimNOSPAM@tpope.info>
+" $Id$
+
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+setlocal expandtab
+setlocal indentexpr=GetCobolIndent(v:lnum)
+setlocal indentkeys&
+setlocal indentkeys+=0<*>,0/,0$,0=01,=~division,=~section,0=~end,0=~then,0=~else,0=~when,*<Return>,.
+
+" Only define the function once.
+if exists("*GetCobolIndent")
+ finish
+endif
+
+let s:skip = 'getline(".") =~ "^.\\{6\\}[*/$-]\\|\"[^\"]*\""'
+
+function! s:prevgood(lnum)
+ " Find a non-blank line above the current line.
+ " Skip over comments.
+ let lnum = a:lnum
+ while lnum > 0
+ let lnum = prevnonblank(lnum - 1)
+ let line = getline(lnum)
+ if line !~? '^\s*[*/$-]' && line !~? '^.\{6\}[*/$CD-]'
+ break
+ endif
+ endwhile
+ return lnum
+endfunction
+
+function! s:stripped(lnum)
+ return substitute(strpart(getline(a:lnum),0,72),'^\s*','','')
+endfunction
+
+function! s:optionalblock(lnum,ind,blocks,clauses)
+ let ind = a:ind
+ let clauses = '\c\<\%(\<NOT\s\+\)\@<!\%(NOT\s\+\)\=\%('.a:clauses.'\)'
+ let begin = '\c-\@<!\<\%('.a:blocks.'\)\>'
+ let beginfull = begin.'\ze.*\%(\n\%(\s*\%([*/$-].*\)\=\n\)*\)\=\s*\%('.clauses.'\)'
+ let end = '\c\<end-\%('.a:blocks.'\)\>\|\%(\.\%( \|$\)\)\@='
+ let cline = s:stripped(a:lnum)
+ let line = s:stripped(s:prevgood(a:lnum))
+ if cline =~? clauses "&& line !~? '^search\>'
+ call cursor(a:lnum,1)
+ let lastclause = searchpair(beginfull,clauses,end,'bWr',s:skip)
+ if getline(lastclause) =~? clauses && s:stripped(lastclause) !~? '^'.begin
+ let ind = indent(lastclause)
+ elseif lastclause > 0
+ let ind = indent(lastclause) + &sw
+ "let ind = ind + &sw
+ endif
+ elseif line =~? clauses && cline !~? end
+ let ind = ind + &sw
+ endif
+ return ind
+endfunction
+
+function! GetCobolIndent(lnum) abort
+ let minshft = 6
+ let ashft = minshft + 1
+ let bshft = ashft + 4
+ " (Obsolete) numbered lines
+ if getline(a:lnum) =~? '^\s*\d\{6\}\%($\|[ */$CD-]\)'
+ return 0
+ endif
+ let cline = s:stripped(a:lnum)
+ " Comments, etc. must start in the 7th column
+ if cline =~? '^[*/$-]'
+ return minshft
+ elseif cline =~# '^[CD]' && indent(a:lnum) == minshft
+ return minshft
+ endif
+ " Divisions, sections, and file descriptions start in area A
+ if cline =~? '\<\(DIVISION\|SECTION\)\%($\|\.\)' || cline =~? '^[FS]D\>'
+ return ashft
+ endif
+ " Fields
+ if cline =~? '^0*\(1\|77\)\>'
+ return ashft
+ endif
+ if cline =~? '^\d\+\>'
+ let cnum = matchstr(cline,'^\d\+\>')
+ let default = 0
+ let step = -1
+ while step < 2
+ let lnum = a:lnum
+ while lnum > 0 && lnum < line('$') && lnum > a:lnum - 500 && lnum < a:lnum + 500
+ let lnum = step > 0 ? nextnonblank(lnum + step) : prevnonblank(lnum + step)
+ let line = getline(lnum)
+ let lindent = indent(lnum)
+ if line =~? '^\s*\d\+\>'
+ let num = matchstr(line,'^\s*\zs\d\+\>')
+ if 0+cnum == num
+ return lindent
+ elseif 0+cnum > num && default < lindent + &sw
+ let default = lindent + &sw
+ endif
+ elseif lindent < bshft && lindent >= ashft
+ break
+ endif
+ endwhile
+ let step = step + 2
+ endwhile
+ return default ? default : bshft
+ endif
+ let lnum = s:prevgood(a:lnum)
+ " Hit the start of the file, use "zero" indent.
+ if lnum == 0
+ return ashft
+ endif
+ " Initial spaces are ignored
+ let line = s:stripped(lnum)
+ let ind = indent(lnum)
+ " Paragraphs. There may be some false positives.
+ if cline =~? '^\(\a[A-Z0-9-]*[A-Z0-9]\|\d[A-Z0-9-]*\a\)\.' "\s*$'
+ if cline !~? '^EXIT\s*\.' && line =~? '\.\s*$'
+ return ashft
+ endif
+ endif
+ " Paragraphs in the identification division.
+ "if cline =~? '^\(PROGRAM-ID\|AUTHOR\|INSTALLATION\|' .
+ "\ 'DATE-WRITTEN\|DATE-COMPILED\|SECURITY\)\>'
+ "return ashft
+ "endif
+ if line =~? '\.$'
+ " XXX
+ return bshft
+ endif
+ if line =~? '^PERFORM\>'
+ let perfline = substitute(line, '\c^PERFORM\s*', "", "")
+ if perfline =~? '^\%(\k\+\s\+TIMES\)\=\s*$'
+ let ind = ind + &sw
+ elseif perfline =~? '^\%(WITH\s\+TEST\|VARYING\|UNTIL\)\>.*[^.]$'
+ let ind = ind + &sw
+ endif
+ endif
+ if line =~? '^\%(IF\|THEN\|ELSE\|READ\|EVALUATE\|SEARCH\|SELECT\)\>'
+ let ind = ind + &sw
+ endif
+ let ind = s:optionalblock(a:lnum,ind,'ADD\|COMPUTE\|DIVIDE\|MULTIPLY\|SUBTRACT','ON\s\+SIZE\s\+ERROR')
+ let ind = s:optionalblock(a:lnum,ind,'STRING\|UNSTRING\|ACCEPT\|DISPLAY\|CALL','ON\s\+OVERFLOW\|ON\s\+EXCEPTION')
+ if cline !~? '^AT\s\+END\>' || line !~? '^SEARCH\>'
+ let ind = s:optionalblock(a:lnum,ind,'DELETE\|REWRITE\|START\|WRITE\|READ','INVALID\s\+KEY\|AT\s\+END\|NO\s\+DATA\|AT\s\+END-OF-PAGE')
+ endif
+ if cline =~? '^WHEN\>'
+ call cursor(a:lnum,1)
+ " We also search for READ so that contained AT ENDs are skipped
+ let lastclause = searchpair('\c-\@<!\<\%(SEARCH\|EVALUATE\|READ\)\>','\c\<\%(WHEN\|AT\s\+END\)\>','\c\<END-\%(SEARCH\|EVALUATE\|READ\)\>','bW',s:skip)
+ let g:foo = s:stripped(lastclause)
+ if s:stripped(lastclause) =~? '\c\<\%(WHEN\|AT\s\+END\)\>'
+ "&& s:stripped(lastclause) !~? '^\%(SEARCH\|EVALUATE\|READ\)\>'
+ let ind = indent(lastclause)
+ elseif lastclause > 0
+ let ind = indent(lastclause) + &sw
+ endif
+ elseif line =~? '^WHEN\>'
+ let ind = ind + &sw
+ endif
+ "I'm not sure why I had this
+ "if line =~? '^ELSE\>-\@!' && line !~? '\.$'
+ "let ind = indent(s:prevgood(lnum))
+ "endif
+ if cline =~? '^\(END\)\>-\@!'
+ " On lines with just END, 'guess' a simple shift left
+ let ind = ind - &sw
+ elseif cline =~? '^\(END-IF\|THEN\|ELSE\)\>-\@!'
+ call cursor(a:lnum,indent(a:lnum))
+ let match = searchpair('\c-\@<!\<IF\>','\c-\@<!\%(THEN\|ELSE\)\>','\c-\@<!\<END-IF\>\zs','bnW',s:skip)
+ if match > 0
+ let ind = indent(match)
+ endif
+ elseif cline =~? '^END-[A-Z]'
+ let beginword = matchstr(cline,'\c\<END-\zs[A-Z0-9-]\+')
+ let endword = 'END-'.beginword
+ let first = 0
+ let suffix = '.*\%(\n\%(\%(\s*\|.\{6\}\)[*/].*\n\)*\)\=\s*'
+ if beginword =~? '^\%(ADD\|COMPUTE\|DIVIDE\|MULTIPLY\|SUBTRACT\)$'
+ let beginword = beginword . suffix . '\<\%(NOT\s\+\)\=ON\s\+SIZE\s\+ERROR'
+ let g:beginword = beginword
+ let first = 1
+ elseif beginword =~? '^\%(STRING\|UNSTRING\)$'
+ let beginword = beginword . suffix . '\<\%(NOT\s\+\)\=ON\s\+OVERFLOW'
+ let first = 1
+ elseif beginword =~? '^\%(ACCEPT\|DISPLAY\)$'
+ let beginword = beginword . suffix . '\<\%(NOT\s\+\)\=ON\s\+EXCEPTION'
+ let first = 1
+ elseif beginword ==? 'CALL'
+ let beginword = beginword . suffix . '\<\%(NOT\s\+\)\=ON\s\+\%(EXCEPTION\|OVERFLOW\)'
+ let first = 1
+ elseif beginword =~? '^\%(DELETE\|REWRITE\|START\|READ\|WRITE\)$'
+ let first = 1
+ let beginword = beginword . suffix . '\<\%(NOT\s\+\)\=\(INVALID\s\+KEY'
+ if beginword =~? '^READ'
+ let first = 0
+ let beginword = beginword . '\|AT\s\+END\|NO\s\+DATA'
+ elseif beginword =~? '^WRITE'
+ let beginword = beginword . '\|AT\s\+END-OF-PAGE'
+ endif
+ let beginword = beginword . '\)'
+ endif
+ call cursor(a:lnum,indent(a:lnum))
+ let match = searchpair('\c-\@<!\<'.beginword.'\>','','\c\<'.endword.'\>\zs','bnW'.(first? 'r' : ''),s:skip)
+ if match > 0
+ let ind = indent(match)
+ elseif cline =~? '^\(END-\(READ\|EVALUATE\|SEARCH\|PERFORM\)\)\>'
+ let ind = ind - &sw
+ endif
+ endif
+ return ind < bshft ? bshft : ind
+endfunction