Re: VIM and Fortran Syntax Highlighting Error when Creating New File

On Wednesday, October 3, 2012 10:49:19 AM UTC-7, Charles Campbell wrote:
> Paul Lou wrote:
>
> > Hello all,
>
> >
>
> > First I'd like to thank the VIM team for creating one of the best and most flexible editors in the world.
>
> >
>
> > I just started learning VIM with Fortran, and I realized a syntax coloring problem when creating a Fortran file through
>
> >
>
> > vim example.f
>
> >
>
> > As shown in shot.png, the syntax coloring is only working partially.
>
> >
>
> The problem: your code is beginning "too soon"; ie. the "p" in "program"
>
> should be in column 8. Try inserting enough space and you'll see the
>
> error highlighting go away.
>
>
>
> The more interesting question is why does subsequent editing show no
>
> error highlighting? That's because some dialects of fortran use
>
> "fixed-source" (ie. code doesn't start until column 8) and some use
>
> "free source" form. The syntax/fortran.vim file examines the first 500
>
> lines for "signs of free source format". So, when you first began
>
> editing, fortran.vim assumed f95 and fixed-source. Subsequent editing
>
> of the file let fortran.vim determined you wanted "free source" form.
>
>
>
> You might want to specify what dialect of fortran you're using, too
>
> (choices are: F elf f77 f90 f95). See :help fortran.vim for more
>
> information.
>
>
>
> Regards,
>
> C Campbell

Thank you for your spread of knowledge Mr. Campbell. I will look into more about this "fixed" and "free" forms and the reasons behind these forms.

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