packages feed

pandoc-2.15: test/command/5686.md

```
% pandoc -t native
FOO\t0BAR

This part does not make it to the html output.
^D
[ Para
    [ Str "FOO" , RawInline (Format "tex") "\\t0" , Str "BAR" ]
, Para
    [ Str "This"
    , Space
    , Str "part"
    , Space
    , Str "does"
    , Space
    , Str "not"
    , Space
    , Str "make"
    , Space
    , Str "it"
    , Space
    , Str "to"
    , Space
    , Str "the"
    , Space
    , Str "html"
    , Space
    , Str "output."
    ]
]
```