@c Generator: GNU source-highlight, by Lorenzo Bettini, http://www.gnu.org/software/src-highlite
@example
@r{@i{# treat the preprocess statement}}
@r{@i{#  #if 0}}
@r{@i{#    ...}}
@r{@i{#  #else}}
@r{@i{# as a comment}}

@b{environment} @t{@i{comment}} = @t{'^[[:blank:]]*#[[:blank:]]*if[[:blank:]]+0'} @b{begin}
  @t{@i{comment}} @b{start} @t{'^[[:blank:]]*#[[:blank:]]*else'} @b{exit}
  @t{@i{comment}} @b{delim} @t{'^[[:blank:]]*#[[:blank:]]*if'} 
                @t{'^[[:blank:]]*#[[:blank:]]*endif'} @b{multiline} @b{nested}
  
@b{end}

@b{include} @t{"cpp.lang"}


@end example