updated for version 7.0001
diff --git a/runtime/indent/fortran.vim b/runtime/indent/fortran.vim
new file mode 100644
index 0000000..b14273a
--- /dev/null
+++ b/runtime/indent/fortran.vim
@@ -0,0 +1,161 @@
+" Vim indent file
+" Language: Fortran95 (and Fortran90, Fortran77, F and elf90)
+" Version: 0.36
+" URL: http://www.unb.ca/chem/ajit/indent/fortran.vim
+" Last Change: 2004 Apr. 05
+" Maintainer: Ajit J. Thakkar <ajit@unb.ca>; <http://www.unb.ca/chem/ajit/>
+" Usage: Do :help fortran-indent from Vim
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+let s:cposet=&cpoptions
+set cpoptions-=C
+
+setlocal indentkeys+==~end,=~case,=~if,=~else,=~do,=~where,=~elsewhere,=~select
+setlocal indentkeys+==~endif,=~enddo,=~endwhere,=~endselect
+
+" Determine whether this is a fixed or free format source file
+" if this hasn't been done yet
+if !exists("b:fortran_fixed_source")
+ if exists("fortran_free_source")
+ " User guarantees free source form
+ let b:fortran_fixed_source = 0
+ elseif exists("fortran_fixed_source")
+ " User guarantees fixed source form
+ let b:fortran_fixed_source = 1
+ else
+ " f90 and f95 allow both fixed and free source form
+ " assume fixed source form unless signs of free source form
+ " are detected in the first five columns of the first 25 lines
+ " Detection becomes more accurate and time-consuming if more lines
+ " are checked. Increase the limit below if you keep lots of comments at
+ " the very top of each file and you have a fast computer
+ let s:lmax = 25
+ if ( s:lmax > line("$") )
+ let s:lmax = line("$")
+ endif
+ let b:fortran_fixed_source = 1
+ let s:ln=1
+ while s:ln <= s:lmax
+ let s:test = strpart(getline(s:ln),0,5)
+ if s:test[0] !~ '[Cc*!#]' && s:test !~ '^ \+[!#]' && s:test =~ '[^ 0-9\t]'
+ let b:fortran_fixed_source = 0
+ break
+ endif
+ let s:ln = s:ln + 1
+ endwhile
+ endif
+endif
+
+" Define the appropriate indent function but only once
+if (b:fortran_fixed_source == 1)
+ setlocal indentexpr=FortranGetFixedIndent()
+ if exists("*FortranGetFixedIndent")
+ finish
+ endif
+else
+ setlocal indentexpr=FortranGetFreeIndent()
+ if exists("*FortranGetFreeIndent")
+ finish
+ endif
+endif
+
+function FortranGetIndent(lnum)
+ let ind = indent(a:lnum)
+ let prevline=getline(a:lnum)
+ " Strip tail comment
+ let prevstat=substitute(prevline, '!.*$', '', '')
+
+ "Indent do loops only if they are all guaranteed to be of do/end do type
+ if exists("b:fortran_do_enddo") || exists("fortran_do_enddo")
+ if prevstat =~? '^\s*\(\d\+\s\)\=\s*\(\a\w*\s*:\)\=\s*do\>'
+ let ind = ind + &sw
+ endif
+ if getline(v:lnum) =~? '^\s*\(\d\+\s\)\=\s*end\s*do\>'
+ let ind = ind - &sw
+ endif
+ endif
+
+ "Add a shiftwidth to statements following if, else, case,
+ "where and elsewhere statements
+ if prevstat =~? '^\s*\(\d\+\s\)\=\s*\(else\|case\|where\|elsewhere\)\>'
+ \ || prevstat =~? '^\s*\(\d\+\s\)\=\s*\(\a\w*\s*:\)\=\s*if\>'
+ let ind = ind + &sw
+ " Remove unwanted indent after logical and arithmetic ifs
+ if prevstat =~? '\<if\>' && prevstat !~? '\<then\>'
+ let ind = ind - &sw
+ endif
+ endif
+
+ "Subtract a shiftwidth from else, elsewhere, case, end if,
+ " end where and end select statements
+ if getline(v:lnum) =~? '^\s*\(\d\+\s\)\=\s*'
+ \. '\(else\|elsewhere\|case\|end\s*\(if\|where\|select\)\)\>'
+ let ind = ind - &sw
+ " Fix indent for case statement immediately after select
+ if prevstat =~? '\<select\>'
+ let ind = ind + &sw
+ endif
+ endif
+
+ return ind
+endfunction
+
+function FortranGetFreeIndent()
+ "Find the previous non-blank line
+ let lnum = prevnonblank(v:lnum - 1)
+
+ "Use zero indent at the top of the file
+ if lnum == 0
+ return 0
+ endif
+
+ let ind=FortranGetIndent(lnum)
+ return ind
+endfunction
+
+function FortranGetFixedIndent()
+ let currline=getline(v:lnum)
+ "Don't indent comments, continuation lines and labelled lines
+ if strpart(currline,0,6) =~ '[^ \t]'
+ let ind = indent(v:lnum)
+ return ind
+ endif
+
+ "Find the previous line which is not blank, not a comment,
+ "not a continuation line, and does not have a label
+ let lnum = v:lnum - 1
+ while lnum > 0
+ let prevline=getline(lnum)
+ if (prevline =~ "^[C*!]") || (prevline =~ "^\s*$")
+ \ || (strpart(prevline,5,1) !~ "[ 0]")
+ " Skip comments, blank lines and continuation lines
+ let lnum = lnum - 1
+ else
+ let test=strpart(prevline,0,5)
+ if test =~ "[0-9]"
+ " Skip lines with statement numbers
+ let lnum = lnum - 1
+ else
+ break
+ endif
+ endif
+ endwhile
+
+ "First line must begin at column 7
+ if lnum == 0
+ return 6
+ endif
+
+ let ind=FortranGetIndent(lnum)
+ return ind
+endfunction
+
+let &cpoptions=s:cposet
+unlet s:cposet
+
+" vim:sw=2 tw=130