I generally use NEdit and have a file that give highlighting for the common Fortran language.
I tried to add in some of the missing keywords like DEALLOCATE, CONTIGUOUS, etc and ailed miserably. I was using example from here: https://groups.google.com/forum/#!topic/comp.lang.fortran/D8JtR7m53z4
Does anyone have any good links for updated version of NEdit for F90+?
The highlights were putting in the Fortran90 before the Fortran around line 308. Still having issues with !?OMP but working well enough, and I use CAPS for Fortran Intrinsics and CamelCase for most Variables, Subroutines and Functions...
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So it needs some more work for lower case and CamelCase, but it is working well enough.