anchor.diff:  
   -spec ignore_words(config()) -> ok.
   ignore_words(_Config) ->
  -  Config = #{ignore_words => ["Sheldon"] },
  +  Config = #{ ignore_words => ["Sheldon"] },
     ok = sheldon:check("Sheldon doesn't know his name, too bad", Config),
  -  Config2 = #{ignore_words => ["ttttthis", "sheldon", "differentone"] },
  +  Config2 = #{ ignore_words => ["ttttthis", "sheldon", "differentone"] },
     ok =
       sheldon:check(<<"testing again. Sheldon should skip ttttthis">>, Config2),
  -  #{misspelled_words := [#{word := "vvvvv"}]} =
  +  #{ misspelled_words := [#{ word := "vvvvv" }] } =
       sheldon:check(<<"testing again. Sheldon should skip ttttthis"
                      , " but sheldon doesn't skip vvvvv">>, Config2),
     ok.
   
   -spec ignore_patterns(config()) -> ok.
   ignore_patterns(_Config) ->
  -  Config = #{ignore_patterns => ["^begin"]},
  +  Config = #{ ignore_patterns => ["^begin"] },
     ok = sheldon:check("begindddd should be ignored", Config),
  -  Config2 = #{ignore_patterns => ["^[4-6]", "^begin"]},
  +  Config2 = #{ ignore_patterns => ["^[4-6]", "^begin"] },
     ok = sheldon:check("begindddd and 4rrrrrr should be ignored", Config2),
  -  #{misspelled_words := [#{word := "7rrrr"}]} =
  +  #{ misspelled_words := [#{ word := "7rrrr" }] } =
       sheldon:check([ "begindddd and 4rrrrrr should be ignored"
                     , " but 7rrrr shouldn't be ignored, good..."
                     ], Config2),
  
positive.code:         , word        := "multiline"
          }
       ]
     } = sheldon:check(Bin, #{ignore_words => [ "Sheldon"
                                              , "superwrong"
                                              , "fsdfdsd"
                                              ]}),
    ok = sheldon:check(Bin, #{ignore_words => [ "Sheldon"
                                              , "superwrong"
                                              , "fsdfdsd"
                                              , "multiline"
                                              ]}),
    ok.
  
  -spec ignore_blocks(config()) -> ok.
  
negative.code:    , misspelled_words :=
      [ #{ line_number := 10, word := "miiisstake" }
      , #{ line_number := 7, word := "oneee" }
      , #{ line_number := 2, word := "mistakke" }
      ]
    } = sheldon:check(BlockMultiLine, #{ignore_blocks =>
                                        [#{ open => "^open_block$"
  