Alexey I. Froloff wrote:
filetype.vim looks like:augroup filetypedetect ... " Generic configuration file (check this last, it's just guessing!) au BufNewFile,BufRead,StdinReadPost * \ ... some files are being setf'ed to "conf" " Use the plugin-filetype checks last, they may overrule any of the previously " detected filetypes. runtime! ftdetect/*.vim augroup END So, if Vim sets filetype to "conf", it is not possible to use :setf from ftdetect/*.vim, because of "but only if not done yet in a sequence of (nested) autocommands." setf feature. Solution is simple - source ftdetect/*.vim before "conf" fallback.
You can do "set filetype=..." if you want unconditionally set file type.
