pandoc/test/command/256.md

```
% pandoc --abbreviations=command/abbrevs -t native
Foo. bar baz h.k. and e.g. and Mr. Brown.
^D
[ Para
  [ Str "Foo.\160bar"
  , Space
  , Str "baz"
  , Space
  , Str "h.k.\160and"
  , Space
  , Str "e.g."
  , Space
  , Str "and"
  , Space
  , Str "Mr."
  , Space
  , Str "Brown."
  ]
]
```
```
% pandoc -t native
Foo. bar baz h.k. and e.g. and Mr. Brown.
^D
[ Para
  [ Str "Foo."
  , Space
  , Str "bar"
  , Space
  , Str "baz"
  , Space
  , Str "h.k."
  , Space
  , Str "and"
  , Space
  , Str "e.g.\160and"
  , Space
  , Str "Mr.\160Brown."
  ]
]
```