pandoc-3.10: test/command/lettrine.md

```
% pandoc -f latex -t native
\lettrine{A}{category} is

\lettrine[lhang=0.17]{A}{category} is
^D
[ Para
    [ Span ( "" , [ "lettrine" ] , [] ) [ Str "A" ]
    , SmallCaps [ Str "category" ]
    , Space
    , Str "is"
    ]
, Para
    [ Span ( "" , [ "lettrine" ] , [] ) [ Str "A" ]
    , SmallCaps [ Str "category" ]
    , Space
    , Str "is"
    ]
]
```