Though not standard-conforming, it is quite common to use a tab instead of six
spaces in front of a Fortran fixed source form line where the first five
columns are reserved for numeric labels and the sixth column indicating a
continuation line. Patching fortran.vim with
--- vim.7.2/runtime/syntax/fortran.vim 2010-05-25 00:38:43.000000000 +0200
+++ custom/fortran.vim 2010-07-09 23:47:36.000000000 +0200
@@ -74,7 +74,7 @@
" 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 b:lmax = 250
+ let b:lmax = 1024
if ( b:lmax > line("$") )
let b:lmax = line("$")
endif
@@ -82,7 +82,7 @@
let b:ln=1
while b:ln <= b:lmax
let b:test = strpart(getline(b:ln),0,5)
- if b:test[0] !~ '[Cc*!#]' && b:test !~ '^ \+[!#]' && b:test =~ '[^
0-9\t]'
+ if b:test !~ '^[ 0-9]*\t' && b:test !~ '^[Cc*]' && b:test !~ '^ *[!#]'
&& b:test =~ '[^ 0-9\t]'
let b:fortran_fixed_source = 0
break
endif
enhances the detection heuristics to identify such tabbed lines correctly as
fixed form.
--
hendrik merx
[email protected]
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