indentation - Vim editor indent problem when the first character of the line is a sharp # character -

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this haven been bugging me since first day using vim 3 years. whenever try indent line via shift + > when first character of line starts "#", doesn't work @ all, regardless of file types (.php, .txt, etc.). because # used comment in php , use decoration text files like:

# comment  ### 1. instruction 1  # ------------ sample --------------

i use vim 7.2 in ubuntu following .vimrc settings

syntax on set t_co=256 set incsearch set hlsearch set number set nowrap set nowrapscan set ignorecase set et set sw=4 set smarttab set smartindent set autoindent set textwidth=0 set noequalalways set formatoptions=1 set lbr set vb       set foldmethod=marker

thanks!

insert following in .vimrc:

set nosmartindent

it smartindent causes lines beginning # not indented want. can read more typing :help smartindent. if use indenting file python scripts (or other syntax), include following too.

filetype indent on

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